{"title":"Wood Effect Render","description":"\u003cp\u003eA wood render puts a timber face on a wall that still has to behave like render. It arrives as four stages rather than one product: the mineral render that holds the impression, the mould that presses it, the agent that lets it lift and the wood shade that colours it. Renders World keeps all four on the shelf.\u003c\/p\u003e\n\n\u003ch2 id=\"where-wood-render-works\"\u003eWhere Wood Render Works on a UK Facade\u003c\/h2\u003e\n\n\u003cp\u003eWood render is a decorative thin-coat finish, declared to EN 998-1 and classed A1 for reaction to fire, so a timber face reaches elevations where boards and battens would be refused outright.\u003c\/p\u003e\n\n\u003cp\u003eThat is the whole point of a wood render. The grain is pressed into a white mineral coat while it is still fresh, and the colour goes on afterwards as a thin coating rather than as paint. What the wall ends up with is a render build-up wearing a timber pattern, not a timber wall.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe render\u003c\/strong\u003e — a white mineral coat scoped to external walls and to ETICS build-ups over polystyrene and mineral wool.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe mould\u003c\/strong\u003e — a patterned silicone roll or a hand stamp, pressed into the fresh wood grain while it takes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe release agent\u003c\/strong\u003e — brushed onto the pattern face so it lifts clean instead of pulling render off the wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe wood shade\u003c\/strong\u003e — a thin coloured coating made for this render, worked along the pressed grain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"why-a-stamped-finish-instead-of-cladding\"\u003eWhy a Stamped Timber Finish Instead of Cladding\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA wood render behaves like render, because it is render.\u003c\/strong\u003e It sits on external walls and inside insulation build-ups over polystyrene and mineral wool, with no boards to seal, no fixings to detail and no cavity to ventilate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReaction to fire is class A1.\u003c\/strong\u003e That is the class on the render carrying the grain, and no timber board offers it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTexture is a tool decision, not a stock decision.\u003c\/strong\u003e The same bag becomes plank, board or grain depending on the mould pressed into it, so a pattern change late in a job does not change the material order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour is its own stage.\u003c\/strong\u003e The shade is chosen days after the render is on the wall, which takes the hardest decision off the critical path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathability is declared with the colour on.\u003c\/strong\u003e The vapour category on the render's sheet is measured with the stain already on the surface — the state the finished wall is actually in.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"match-the-product-to-the-stage\"\u003eMatch the Product to the Stage of the Method\u003c\/h2\u003e\n\n\u003cp\u003eA wood render is ordered stage by stage. Find the stage you are buying for, then the product that does that job; each product page carries its own declared figures for coverage, mixing and conditions.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYour Project\u003c\/th\u003e\n\u003cth\u003eBest System\u003c\/th\u003e\n\u003cth\u003eStandout Spec\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTimber-look facade on insulation or a solid wall\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/atlas-cermit-wn-smooth-render-25kg\"\u003eAtlas Cermit WN Smooth Render 25 kg\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eETICS on EPS and mineral wool, mould-ready\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLong plank runs across open elevations\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/atlas-silicone-wood-stamp-200x20cm\"\u003eAtlas Silicone Wood Stamp 200x20 cm\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eSilicone mould, 2 m x 0.2 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReturns, reveals and hand-worked grain\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/fox-wood-imitation-stamp\"\u003eFox Wood Imitation Stamp\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eHand tool, no roll to unwind\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLifting the pattern tool cleanly between presses\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/atlas-srodek-antyadezyjny-do-form-5l\"\u003eAtlas Anti-Adhesive for Forms 5 L\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eRe-coated every second impression\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarm mid-tone timber colour\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/atlas-bejca-sealer-renders-06-teak-4l-1\"\u003eAtlas Bejca Sealer 06 Teak 4 L\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eShade 06, 4 L tin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeeper brown over the pressed grain\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/atlas-bejca-sealer-renders-03-walnut-4l\"\u003eAtlas Bejca Sealer 03 Walnut 4 L\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eShade 03, 4 L tin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePale, light-toned boards\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/atlas-bejca-sealer-renders-08-brzoza-4l\"\u003eAtlas Bejca Sealer 08 Birch 4 L\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eShade 08, 4 L tin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark, low-reflectance boards\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/atlas-bejca-sealer-renders-09-heban-4l\"\u003eAtlas Bejca Sealer 09 Ebony 4 L\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eShade 09, 4 L tin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 id=\"how-the-wood-render-sequence-runs\"\u003eHow the Wood Render Sequence Runs on Site\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrime to the wall you have.\u003c\/strong\u003e A reinforced insulation layer built in Atlas Stopter K-50 takes this render with no key coat; every other background takes Atlas Cerplast priming mass first. The \u003ca href=\"\/collections\/primers\"\u003eprimer range\u003c\/a\u003e carries it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix to the sheet and work in batches.\u003c\/strong\u003e The mixed render has a working time of about an hour, so the mixing station is sized to the wall in front of it rather than to the day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLay the coat, comb it, smooth it.\u003c\/strong\u003e The coat is combed with a notched trowel and then smoothed again, which is what gives the pattern an even face to bite into.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePress inside the window.\u003c\/strong\u003e Grease the mould with the release agent first, then press between 20 and 60 minutes after laying, once the surface holds an impression but has not gone hard. A 2 m mould wants two people: one unrolling and pressing, one rolling it back.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRe-coat and wash the mould.\u003c\/strong\u003e A fresh thin layer of agent goes on after every second impression, and it is washed with water and detergent at the end — a tool left dirty deforms permanently and the pattern goes with it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStain after at least three days.\u003c\/strong\u003e The coating is worked along the pressed rings of the plank with brush, roller or sponge, in one even thin coat with no runs and no recess left uncoated.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eThe two halves of the job want different weather. The render will go on in colder conditions than the wood shade will, so on a late-season programme the colouring stage closes first and the wall waits. The \u003ca href=\"\/blogs\/news\/concrete-effect-render-application-guide-uk\"\u003estep-by-step application guide\u003c\/a\u003e works through the substrate side in more depth.\u003c\/p\u003e\n\n\u003ch2 id=\"choosing-shade-mould-and-face\"\u003eChoosing the Shade, the Mould and the Face\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour shades of the ten on the maker's card.\u003c\/strong\u003e Renders World stocks 03 walnut, 06 teak, 08 birch and 09 ebony. One elevation is coated from a single production date, because shade varies between batches, so the order is placed for the whole wall at once rather than topped up later.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo moulds, two scales.\u003c\/strong\u003e The silicone roll is the tool for long uninterrupted runs; the hand stamp is for returns, reveals and the places a 2 m roll cannot reach. Where a pattern must appear wider than the roll, the boards are set out rather than pressed twice into one line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrder the four stages together.\u003c\/strong\u003e A wood render that arrives without its release agent stops on the second impression, and one that arrives without its stain sits grey on the scaffold waiting for a delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhere a wood render does not go.\u003c\/strong\u003e The coating is excluded from horizontal surfaces, from anything under standing water or snow, and from walls drawing damp by capillary action; strongly sunlit elevations are kept off it as well. Ceiling soffits and internal walls sit outside this render's declared scope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA different face, the same method.\u003c\/strong\u003e The stamping sequence also produces brick and bare-concrete finishes, and those products sit in \u003ca href=\"\/collections\/concrete-render\"\u003ethe brick and concrete effect collection\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 id=\"ordering-the-four-stages\"\u003eOrdering the Four Stages: Quantities and Limits\u003c\/h2\u003e\n\n\u003ch3 id=\"faq-how-much\"\u003eHow much material does an elevation take?\u003c\/h3\u003e\n\u003cp\u003eCoverage is declared per product, and each product page above carries its own figure for the render and for the stain. A wood render adds three lines to an ordinary render order.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe mould, bought once and reused across this job and the next one.\u003c\/li\u003e\n\u003cli\u003eThe release agent it is coated with, consumed by the number of impressions rather than by the area.\u003c\/li\u003e\n\u003cli\u003eThe wood shade, ordered for the whole elevation at once.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe quantities themselves are settled by a trial panel on the substrate being coated.\u003c\/p\u003e\n\n\u003ch3 id=\"faq-what-pairs\"\u003eWhich products belong together?\u003c\/h3\u003e\n\u003cp\u003eThe wood shade is made for this render and also takes to concrete, mineral renders of every kind, gypsum plasters and plasterboard. The release agent is named on its own sheet for the technology of textured renders imitating wood, and it is never diluted or mixed with anything else.\u003c\/p\u003e\n\n\u003ch3 id=\"faq-timing\"\u003eHow tight is the texturing window?\u003c\/h3\u003e\n\u003cp\u003eTwenty to sixty minutes after the coat is laid, depending on the weather. That single constraint shapes the whole day: the mould is greased and the second pair of hands is on the scaffold before the first bag is mixed.\u003c\/p\u003e\n\n\u003ch3 id=\"faq-breathing\"\u003eDoes the colour change how the wall breathes?\u003c\/h3\u003e\n\u003cp\u003eThe vapour category published for a wood render is the one measured with the stain already on the surface, so the figure describes the finished wall rather than a bare coat. The coating has its own declared diffusion resistance on its product page.\u003c\/p\u003e\n\n\u003ch3 id=\"faq-shelf\"\u003eWhat if the shade wanted is not one of the four?\u003c\/h3\u003e\n\u003cp\u003eThe maker's card runs to ten wood shades and Renders World holds four of them. Anything outside those four is an order question rather than a stock question, and it is worth asking before the render goes on the wall rather than after. For the wider range this finish belongs to, see \u003ca href=\"\/collections\/rendering-menu\"\u003ethe render systems range\u003c\/a\u003e.\u003c\/p\u003e\n","products":[{"product_id":"fox-wood-imitation-stamp","title":"FOX WOOD IMITATION STAMP","description":"\u003cp\u003eThe Fox Wood Imitation Stamp is the hand-sized mould in the wood-effect range at Renders World, sitting in the \u003ca href=\"\/collections\/concrete-render\"\u003eAtlas wood and concrete effect render range\u003c\/a\u003e alongside the 2-metre plank format. It presses grain into wet decorative render on the areas a long mould cannot reach.\u003c\/p\u003e\n\u003ch2 id=\"where-hand-mould-fits\"\u003eWhere a Hand-Sized Wood Mould Fits on a Render Job\u003c\/h2\u003e\n\u003cp\u003eThe Fox Wood Imitation Stamp presses a tree-ring pattern into \u003cstrong\u003eATLAS CERMIT WN\u003c\/strong\u003e, a factory-made one-coat external rendering mortar to \u003cstrong\u003eEN 998-1:2016\u003c\/strong\u003e applied around \u003cstrong\u003e4 mm\u003c\/strong\u003e thick and imprinted with a silicone mould before it sets.\u003c\/p\u003e\n\u003cp\u003eThat 4 mm layer is what any mould in this system works into, and it explains where a hand format earns its keep. Cermit WN is laid with a smooth float, combed with a \u003cstrong\u003e10 mm toothed float\u003c\/strong\u003e, then re-smoothed — and on a reveal, a column or a narrow return there is simply not room to bring a two-metre mould onto the wet face. The hand stamp reaches those areas at the same moment in the same render.\u003c\/p\u003e\n\u003cp\u003eThree situations put this format to work:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetail areas on a stamped elevation:\u003c\/strong\u003e window reveals, corners, soffits and narrow piers, worked in the same wet-on-wet pass as the main wall so the joint does not show.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature panels rather than whole facades:\u003c\/strong\u003e porches, entrance bays and plinth sections, where the render is declared for \u003cstrong\u003eETICS build-ups using EPS and mineral wool\u003c\/strong\u003e as well as concrete and traditional cement or cement-lime renders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSample panels before the elevation:\u003c\/strong\u003e the card asks for consumption to be confirmed by trial on the actual substrate, and a hand mould is the practical way to run that panel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"why-hand-format\"\u003eWhy a Hand Format Earns Its Place Beside the Plank Mould\u003c\/h2\u003e\n\u003cp\u003eMost wood-effect facades end up using both moulds, so the question is not which one to buy but what each is for. Four things separate the hand format.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIt reaches what the long mould cannot:\u003c\/strong\u003e a 200 cm face will not turn a reveal or sit on a narrow return, and those areas still have to carry grain if the elevation is to read as one surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAn organic ring pattern, not a board:\u003c\/strong\u003e the Fox mould is described by its manufacturer as a stamp for the imitation of tree rings, which is a different visual read from a continuous plank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIt suits the 20–60 minute window:\u003c\/strong\u003e the render must stiffen and dry slightly at the surface before imprinting, and the card asks for that time to be controlled closely. A light hand tool is easier to bring back to a small area at exactly the right moment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilicone, cleaned the same way:\u003c\/strong\u003e the same washing routine the render card sets for the silicone mould applies here, so adding this tool adds no new consumable and no new procedure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"what-the-mould-presses-into\"\u003eWhat the Fox Mould Presses Into: Render Data\u003c\/h2\u003e\n\u003cp\u003eThe mould has no published technical card of its own. Everything below that carries a figure belongs to the render being imprinted, and each row names what it applies to.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eFigure\u003c\/th\u003e\n\u003cth\u003eWhat it applies to\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTool type\u003c\/td\u003e\n\u003ctd\u003eStamp for imitation of tree rings\u003c\/td\u003e\n\u003ctd\u003eFox Dekorator tools listing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRender thickness\u003c\/td\u003e\n\u003ctd\u003eApprox. 4 mm\u003c\/td\u003e\n\u003ctd\u003eATLAS CERMIT WN technical card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAggregate size\u003c\/td\u003e\n\u003ctd\u003eMax. 1.0 mm\u003c\/td\u003e\n\u003ctd\u003eATLAS CERMIT WN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWait before imprinting\u003c\/td\u003e\n\u003ctd\u003e20–60 minutes\u003c\/td\u003e\n\u003ctd\u003eATLAS CERMIT WN, weather dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRender consumption\u003c\/td\u003e\n\u003ctd\u003e2.5–3.0 kg\/m² average\u003c\/td\u003e\n\u003ctd\u003eATLAS CERMIT WN, confirm by trial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking temperature\u003c\/td\u003e\n\u003ctd\u003e+5 °C to +30 °C\u003c\/td\u003e\n\u003ctd\u003eSubstrate and ambient, both renders below\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlternative render\u003c\/td\u003e\n\u003ctd\u003eATLAS SILKON BA, 1.2 mm aggregate\u003c\/td\u003e\n\u003ctd\u003eSilkon BA technical card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelease agent\u003c\/td\u003e\n\u003ctd\u003eATLAS anti-adhesive for moulds\u003c\/td\u003e\n\u003ctd\u003eNamed in the Cermit WN imprinting method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCleaning\u003c\/td\u003e\n\u003ctd\u003eWater with detergent, after every session\u003c\/td\u003e\n\u003ctd\u003eMould washing instruction, Cermit WN card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 id=\"how-to-use-the-mould\"\u003eHow to Use the Mould on Cermit WN\u003c\/h2\u003e\n\u003cp\u003eThe sequence below follows the manufacturer's own order for the render, because the mould only ever arrives at step five. The wider multi-product method belongs to the \u003ca href=\"\/blogs\/news\/concrete-effect-render-application-guide-uk\"\u003econcrete effect render application guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare and prime:\u003c\/strong\u003e a reinforced ETICS layer built with STOPTER K-50 needs no render primer; the same layer in other Atlas adhesives takes Cerplast from the \u003ca href=\"\/collections\/primers\"\u003eexterior render primers\u003c\/a\u003e range. Concrete needs \u003cstrong\u003e28 days\u003c\/strong\u003e seasoning below 4% structural moisture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix:\u003c\/strong\u003e \u003cstrong\u003e0.21–0.24 litres of water per kg\u003c\/strong\u003e, or \u003cstrong\u003e5.25–6.0 litres per 25 kg bag\u003c\/strong\u003e. Stand five minutes, remix, then use within \u003cstrong\u003eone hour\u003c\/strong\u003e, re-stirring rather than adding water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLay at 4 mm:\u003c\/strong\u003e smooth float, comb with the 10 mm toothed float at an angle, smooth again.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatch for surface set:\u003c\/strong\u003e 20–60 minutes depending on the weather. This is the step that decides grain depth, so a sample panel earns its time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrease the mould, then press:\u003c\/strong\u003e coat the face thoroughly with the Atlas anti-adhesive agent before use, and clear render from the recesses before the next impression.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eBoth moulds in the range are compared side by side in the \u003ca href=\"\/blogs\/news\/wood-and-brick-stencils-for-render\"\u003ewood and brick stencil guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 id=\"planning-detail-work\"\u003ePlanning Detail Work Around the Main Elevation\u003c\/h2\u003e\n\u003cp\u003eOn a facade using both moulds, the value of the hand tool comes down to sequencing rather than technique, and three points from the render card decide it.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWet on wet, always:\u003c\/strong\u003e the card requires each smoothed section to be joined before it dries, or the junction stays visible. Detail areas are worked as part of the same pass, not saved for the next day.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePut format changes on planned breaks:\u003c\/strong\u003e stopping points are set in advance at corners, building returns and behind downpipes — the same places a switch from plank to hand mould disappears.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the work:\u003c\/strong\u003e the surface is shielded from direct sun, wind and rainfall during application and throughout drying, which on detail areas usually means the scaffold sheeting is already where it needs to be.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAfter \u003cstrong\u003e24 hours\u003c\/strong\u003e the render is hard, and after \u003cstrong\u003ethree days\u003c\/strong\u003e at +20 °C and 50% humidity it can take an ATLAS BEJCA tinted impregnant — the step that puts colour into the grain.\u003c\/p\u003e\n\u003ch2 id=\"mould-care\"\u003eCleaning the Mould After Every Session\u003c\/h2\u003e\n\u003cp\u003eThe render card is direct about mould care, and it is the one instruction on this page that protects the tool rather than the finish.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWash thoroughly with water and detergent\u003c\/strong\u003e after every session, until no release-agent residue remains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not leave it:\u003c\/strong\u003e incomplete washing risks permanent deformation of the mould and makes a correct texture harder to achieve afterwards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear the recesses during the work\u003c\/strong\u003e, not only at the end, so each impression stays as crisp as the first.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"hand-mould-or-plank-mould\"\u003eChoose Between the Hand Mould and the Plank Mould\u003c\/h2\u003e\n\u003cp\u003eThe two moulds press the same render at the same stage. The decision is format and pattern.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYour project\u003c\/th\u003e\n\u003cth\u003eBest mould\u003c\/th\u003e\n\u003cth\u003eStandout spec\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eReveals, columns, panels, sample boards\u003c\/td\u003e\n\u003ctd\u003eFox Wood Imitation Stamp\u003c\/td\u003e\n\u003ctd\u003eHand format, tree-ring pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLong unbroken elevations, repeat plots\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/atlas-silicone-wood-stamp-200x20cm\"\u003e200 × 20 cm Atlas plank mould\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e0.40 m² mould face per press\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 id=\"order-the-system\"\u003eOrder the Mould With the Render It Works Into\u003c\/h2\u003e\n\u003cp\u003eA mould on its own produces nothing. The render carries the performance, the release agent makes the lift clean, and the impregnant supplies the colour.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain elevations alongside it:\u003c\/strong\u003e most jobs run the \u003ca href=\"\/products\/atlas-silicone-wood-stamp-200x20cm\"\u003elong-format Atlas plank mould\u003c\/a\u003e on the open wall and keep this one for the details.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour after three days:\u003c\/strong\u003e the Bejca options are set out in the \u003ca href=\"\/blogs\/news\/sealers-for-concrete-effect-renders-uk\"\u003esealers for concrete effect renders guide\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA concrete look instead:\u003c\/strong\u003e where the specification asks for concrete rather than timber, \u003ca href=\"\/products\/atlas-base-coat-paint-10l\"\u003eAtlas base coat paint\u003c\/a\u003e works over the same family of renders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOrder the mould with the render, the release agent and the impregnant from the \u003ca href=\"\/collections\/concrete-render\"\u003ewood and concrete effect render collection\u003c\/a\u003e at Renders World, so the whole finish arrives together.\u003c\/p\u003e\n\u003ch2 id=\"faq\"\u003eFAQ: Compatibility, Timing, Indoor Use and Care\u003c\/h2\u003e\n\u003ch3 id=\"faq-renders\"\u003eWhich renders can this mould be used with?\u003c\/h3\u003e\n\u003cp\u003eATLAS CERMIT WN is the render whose method specifies imprinting with a silicone mould, at roughly 4 mm with a maximum 1.0 mm aggregate. ATLAS SILKON BA is a modelled silicone render with a 1.2 mm aggregate whose card describes texturing with sponge rollers, brush floats and Venetian trowels rather than a mould — usable for texture, but the imprinting instructions belong to Cermit WN. Tell us the effect you are after and we will confirm the pairing.\u003c\/p\u003e\n\u003ch3 id=\"faq-indoors\"\u003eCan the finish be used on an interior wall?\u003c\/h3\u003e\n\u003cp\u003eNot with Cermit WN — its card routes internal walls to different Atlas products. Silkon BA, by contrast, is declared for internal walls including wet areas such as showers, so an indoor decorative finish is possible on that base. The wood-imprinting method itself is written for the external mineral render, so an interior timber-grain wall is worth discussing before ordering.\u003c\/p\u003e\n\u003ch3 id=\"faq-timing\"\u003eHow long after laying the render should I press?\u003c\/h3\u003e\n\u003cp\u003eBetween 20 and 60 minutes, once the material has stiffened and dried slightly at the surface. Warm and breezy conditions shorten it; cool still air extends it. The mixed mortar itself remains workable for one hour, so plan panel sizes around both figures.\u003c\/p\u003e\n\u003ch3 id=\"faq-quantity\"\u003eHow much render do I need for a stamped area?\u003c\/h3\u003e\n\u003cp\u003eAverage consumption is 2.5–3.0 kg\/m² from 25 kg bags. For a 12 m² feature panel: 12 m² × 3.0 kg\/m² = 36 kg, so two bags with an allowance for the sample panel. Atlas asks for the exact figure to be established by trial on the substrate you are actually rendering, which is another argument for that panel.\u003c\/p\u003e\n\u003ch3 id=\"faq-care\"\u003eHow should the mould be cleaned and stored?\u003c\/h3\u003e\n\u003cp\u003eWash it thoroughly with water and a detergent after every session so no release-agent residue is left, and clear the recesses as you work. The card warns that skipping this risks permanent deformation of the mould, so the five minutes at the end of the day protects the tool for the next job.\u003c\/p\u003e","brand":"Renders World","offers":[{"title":"Default Title","offer_id":56400652796279,"sku":null,"price":11.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1375\/1415\/files\/FoxDekorator.jpg?v=1778682906"},{"product_id":"atlas-silicone-wood-stamp-200x20cm","title":"ATLAS SILICONE WOOD STAMP 200X20CM","description":"\u003cp\u003eWood-effect rendering works as a three-part system: a mineral render deep enough to hold an imprint, a mould that presses the grain into it, and a tinted impregnant that colours the result. This product is the mould, and at Renders World it sits in the \u003ca href=\"\/collections\/concrete-render\"\u003eAtlas wood and concrete effect render range\u003c\/a\u003e beside the render it was built around.\u003c\/p\u003e\n\u003ch2 id=\"where-2m-plank-mould-fits\"\u003eWhere a 2-Metre Plank Mould Fits on a UK Wood-Effect Facade\u003c\/h2\u003e\n\u003cp\u003eThe Atlas Silicone Wood Stamp 200x20cm presses timber grain into \u003cstrong\u003eATLAS CERMIT WN\u003c\/strong\u003e, a factory-made one-coat external rendering mortar to \u003cstrong\u003eEN 998-1:2016\u003c\/strong\u003e laid around \u003cstrong\u003e4 mm\u003c\/strong\u003e thick, which is what gives the finished plank its depth.\u003c\/p\u003e\n\u003cp\u003eThat thickness is the reason the long format earns its place. Cermit WN goes on at about 4 mm with a smooth float, is combed through with a \u003cstrong\u003e10 mm toothed float\u003c\/strong\u003e to even the layer, then re-smoothed before the mould touches it — so the wall is carrying real material, and a 2-metre mould face takes a continuous line of grain across it rather than a run of short presses.\u003c\/p\u003e\n\u003cp\u003eThree situations suit the format on UK work:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull elevations inside an insulation system:\u003c\/strong\u003e the render is declared for external thermal insulation composite systems using \u003cstrong\u003eEPS and mineral wool\u003c\/strong\u003e, so a stamped plank finish belongs on the same wall as the insulation rather than on a feature panel only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-to-masonry renovation:\u003c\/strong\u003e the technical card also covers \u003cstrong\u003econcrete and traditional cement or cement-lime renders\u003c\/strong\u003e, which describes most sound solid-wall stock once the substrate is seasoned and levelled.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaded and green-belt sites:\u003c\/strong\u003e the card credits the render's high alkalinity and hydrophobisation with natural resistance to mould fungi and algae, which is aimed squarely at buildings near trees, water and shaded city centres.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"why-specifiers-order-long-format\"\u003eWhy Specifiers Order the Long-Format Mould\u003c\/h2\u003e\n\u003cp\u003eChoosing between the two moulds in this range is a decision about how much wall each press covers and how the joints read afterwards. Four things separate the 2-metre format on a facade-scale job.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.4 m² of mould face per press:\u003c\/strong\u003e 2.00 m × 0.20 m gives a face area of \u003cstrong\u003e0.40 m²\u003c\/strong\u003e. Impressions butt together, so covered area comes out slightly under that — treat 0.4 m² as the tool's face, not a coverage rate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo metres of grain in one movement:\u003c\/strong\u003e fewer presses across an elevation means fewer press-to-press joints for the eye to find, which is the whole argument for the format on long unbroken walls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart of the manufacturer's stated method:\u003c\/strong\u003e the Cermit WN card names a silicone mould as the way the texture is made, and names the \u003cstrong\u003eAtlas anti-adhesive agent\u003c\/strong\u003e as the coating applied to it beforehand. The mould is the procedure, not an accessory bolted onto it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuited to wet-on-wet working:\u003c\/strong\u003e the card requires material to be laid wet on wet with breaks planned at corners, building returns and downpipes. Covering a panel in fewer moves keeps the wet edge live while you do it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"stamp-specification\"\u003eAtlas Silicone Wood Stamp Data and What It Presses Into\u003c\/h2\u003e\n\u003cp\u003eThe mould itself is a simple object; the numbers that decide the finish belong to the render underneath it. Both sets are below, each kept to its own scope.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eFigure\u003c\/th\u003e\n\u003cth\u003eWhat it applies to\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMould dimensions\u003c\/td\u003e\n\u003ctd\u003e200 cm × 20 cm\u003c\/td\u003e\n\u003ctd\u003eThis SKU, from its own name\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMould face area\u003c\/td\u003e\n\u003ctd\u003e0.40 m² per press\u003c\/td\u003e\n\u003ctd\u003eGross face, before impressions butt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMould material\u003c\/td\u003e\n\u003ctd\u003eSilicone\u003c\/td\u003e\n\u003ctd\u003eThe imprinting method named on the render card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRender it imprints\u003c\/td\u003e\n\u003ctd\u003eATLAS CERMIT WN, ~4 mm\u003c\/td\u003e\n\u003ctd\u003eATLAS CERMIT WN technical card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAggregate in that render\u003c\/td\u003e\n\u003ctd\u003eMax. 1.0 mm\u003c\/td\u003e\n\u003ctd\u003eATLAS CERMIT WN technical card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelease agent\u003c\/td\u003e\n\u003ctd\u003eATLAS anti-adhesive for moulds\u003c\/td\u003e\n\u003ctd\u003eNamed on the render card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking temperature\u003c\/td\u003e\n\u003ctd\u003e+5 °C to +30 °C\u003c\/td\u003e\n\u003ctd\u003eSubstrate and ambient, per the render card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCleaning\u003c\/td\u003e\n\u003ctd\u003eWater with detergent\u003c\/td\u003e\n\u003ctd\u003eMould washing instruction on the render card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 id=\"how-to-apply-and-imprint\"\u003eHow to Apply Cermit WN and Imprint the Grain\u003c\/h2\u003e\n\u003cp\u003eEverything the mould does depends on the state of the render when it arrives, so the sequence below follows the manufacturer's own order. The full multi-product method sits in the \u003ca href=\"\/blogs\/news\/concrete-effect-render-application-guide-uk\"\u003econcrete effect render application guide\u003c\/a\u003e, which owns the wider process.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrime to suit the substrate:\u003c\/strong\u003e a reinforced ETICS layer built with STOPTER K-50 needs no render primer, while the same layer built with other Atlas adhesives is primed with Cerplast from the \u003ca href=\"\/collections\/primers\"\u003eexterior render primers\u003c\/a\u003e range. Concrete carries a \u003cstrong\u003eminimum 28-day\u003c\/strong\u003e seasoning requirement at under 4% structural moisture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMix at the stated ratio:\u003c\/strong\u003e \u003cstrong\u003e0.21–0.24 litres of water per kg\u003c\/strong\u003e, or \u003cstrong\u003e5.25–6.0 litres per 25 kg bag\u003c\/strong\u003e. Mix, stand for five minutes, remix — then use it within \u003cstrong\u003eone hour\u003c\/strong\u003e and re-stir rather than adding water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLay and comb at 4 mm:\u003c\/strong\u003e apply evenly with a smooth float, comb through with the 10 mm toothed float held at an angle, then smooth again. Average consumption is \u003cstrong\u003e2.5–3.0 kg\/m²\u003c\/strong\u003e, with the card asking for a trial on the actual substrate to fix the real figure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWait for surface set:\u003c\/strong\u003e the render must stiffen and dry slightly at the surface first, typically \u003cstrong\u003e20–60 minutes\u003c\/strong\u003e depending on conditions. The card asks for this window to be watched closely, and a sample panel is the cheapest way to learn it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoat the mould, then press:\u003c\/strong\u003e grease the mould face thoroughly with the Atlas anti-adhesive agent before use, press the grain, and clear any render left in the recesses before the next impression.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eTechnique for both moulds in the range, side by side, is set out in the \u003ca href=\"\/blogs\/news\/wood-and-brick-stencils-for-render\"\u003ewood and brick stencil guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 id=\"site-conditions\"\u003eSite Conditions That Decide Whether the Grain Comes Out Sharp\u003c\/h2\u003e\n\u003cp\u003eCermit WN is a cement-and-lime mortar, so the weather governs the working window rather than merely influencing it. Getting these four conditions right is what makes the imprint repeatable across a whole elevation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature band:\u003c\/strong\u003e substrate and air both between \u003cstrong\u003e+5 °C and +30 °C\u003c\/strong\u003e — the same band the anti-adhesive agent is rated for, which keeps tool and material in step.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShelter while working and drying:\u003c\/strong\u003e the card asks for the surface to be protected from direct sun, wind and rainfall during application and throughout drying, so scaffold sheeting is a specification item on this finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanned breaks:\u003c\/strong\u003e stopping points are set in advance at corners, building returns and behind downpipes, which is where a wet-on-wet joint disappears.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCure before colour:\u003c\/strong\u003e the render is hard after \u003cstrong\u003e24 hours\u003c\/strong\u003e and ready for an ATLAS BEJCA tinted impregnant after \u003cstrong\u003ethree days\u003c\/strong\u003e, measured at +20 °C and 50% humidity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"mould-care\"\u003eWashing and Storing the Mould Between Impressions\u003c\/h2\u003e\n\u003cp\u003eMould life on this tool is a housekeeping question rather than a wear question, and the render card is unusually direct about it — worth reading before the first job rather than after it.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear the recesses as you go:\u003c\/strong\u003e render left sitting in the grain detail is removed before the mould is used again, which keeps each impression as sharp as the first.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWash with water and detergent:\u003c\/strong\u003e after every session the mould is washed thoroughly to remove all release-agent residue. Doing this properly is what protects the mould from permanent distortion and keeps a correct texture easy to achieve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBudget the release agent generously:\u003c\/strong\u003e Atlas publishes average consumption of about \u003cstrong\u003e50 ml per single greasing of a mould\u003c\/strong\u003e — a figure stated for the product in general, not for this 2-metre face, so measure it on a sample panel before pricing a large elevation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"plank-mould-or-hand-stamp\"\u003eChoose Between the Plank Mould and the Hand Stamp\u003c\/h2\u003e\n\u003cp\u003eRenders World stocks two moulds for this finish. They press the same render at the same stage, so the choice is format and pattern rather than system compatibility.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYour project\u003c\/th\u003e\n\u003cth\u003eBest mould\u003c\/th\u003e\n\u003cth\u003eStandout spec\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLong unbroken elevations, repeat plots\u003c\/td\u003e\n\u003ctd\u003eAtlas Silicone Wood Stamp 200x20cm\u003c\/td\u003e\n\u003ctd\u003e0.40 m² face, 2 m of grain per press\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReveals, columns, plinths, small panels\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/fox-wood-imitation-stamp\"\u003ecompact Fox tree-ring hand mould\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eHand format for tight and detailed areas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 id=\"order-the-system\"\u003eOrder the Mould With the Rest of the Wood-Effect System\u003c\/h2\u003e\n\u003cp\u003eThe mould creates the texture; the render and the coatings carry the performance, and the card ties the three together in a fixed order.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetail areas alongside it:\u003c\/strong\u003e the 200 cm face will not turn a reveal or a narrow return, so most facades run the \u003ca href=\"\/products\/fox-wood-imitation-stamp\"\u003ehand-held Fox mould\u003c\/a\u003e as well and change format at a design break.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour and protection:\u003c\/strong\u003e an ATLAS BEJCA tinted impregnant goes on after three days, and the choices are set out in the \u003ca href=\"\/blogs\/news\/sealers-for-concrete-effect-renders-uk\"\u003esealers for concrete effect renders guide\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA different look on the same base:\u003c\/strong\u003e for painted or blocked concrete effects rather than timber, \u003ca href=\"\/products\/atlas-base-coat-paint-10l\"\u003eAtlas base coat paint\u003c\/a\u003e works over the same family of renders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOrder the mould with the render, the release agent and the impregnant together from the \u003ca href=\"\/collections\/concrete-render\"\u003ewood and concrete effect render collection\u003c\/a\u003e, so the whole finish lands on site as one delivery.\u003c\/p\u003e\n\u003ch2 id=\"faq\"\u003eFAQ: Coverage, Compatibility, Timing and Mould Care\u003c\/h2\u003e\n\u003ch3 id=\"faq-impressions\"\u003eHow many impressions does a 40 m² elevation take?\u003c\/h3\u003e\n\u003cp\u003eWorking from the mould face: 40 m² ÷ 0.40 m² per press = 100 presses as the arithmetic minimum. Impressions butt against each other rather than tiling perfectly, so allow above that figure. Render quantity is the separate calculation — 2.5–3.0 kg\/m² average, which the manufacturer asks you to confirm by trial.\u003c\/p\u003e\n\u003ch3 id=\"faq-compatibility\"\u003eWhich render does the mould work with, and can it be used indoors?\u003c\/h3\u003e\n\u003cp\u003eATLAS CERMIT WN is the render the imprinting method is written for, on ETICS build-ups with EPS or mineral wool, on concrete, and on traditional cement and cement-lime renders. For an internal wall the same card points to a different Atlas product rather than Cermit WN, so an indoor plank feature wall is a specification question worth raising with us first.\u003c\/p\u003e\n\u003ch3 id=\"faq-timing\"\u003eWhat is the window between laying the render and pressing the mould?\u003c\/h3\u003e\n\u003cp\u003eTypically 20 to 60 minutes, until the material has stiffened and dried slightly at the surface. Warm, breezy conditions shorten it and cool still air lengthens it, which is why the card asks for the time to be controlled closely. Mixed mortar itself stays workable for one hour.\u003c\/p\u003e\n\u003ch3 id=\"faq-cleaning\"\u003eWhat is the correct way to clean the mould?\u003c\/h3\u003e\n\u003cp\u003eWater with a detergent added, immediately after each session, until no release-agent residue remains — and any render sitting in the grain recesses comes out before the mould is used again. Kept to that routine, the silicone holds its shape and its detail.\u003c\/p\u003e\n\u003ch3 id=\"faq-fire\"\u003eDoes the finished stamped facade carry a fire classification?\u003c\/h3\u003e\n\u003cp\u003eATLAS CERMIT WN is declared class \u003cstrong\u003eA1\u003c\/strong\u003e for reaction to fire under EN 998-1:2016 in Declaration of Performance 108\/1\/CPR, and that declaration covers the rendering mortar itself. A tinted impregnant applied over it is a separate organic coating outside that scope, so classification of a complete stamped and coloured wall is a build-up question — send us the specification and we will point you to the right evidence.\u003c\/p\u003e\n\u003ch2 id=\"technical-documentation\"\u003eTechnical Documentation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/pliki.grupapsb.com.pl\/files\/InfoverProduct\/pp\/blscn0ia5osb\/Files\/nb4hjg00m4jccl_tynk-mineralny-gladki-cermit-wn-25-kg-atlas-deklaracja-zgodnosci.pdf\"\u003eATLAS CERMIT WN technical card and Declaration of Performance 108\/1\/CPR\u003c\/a\u003e — the imprinting procedure, mixing, consumption and classifications quoted above.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.atlas.com.pl\/en\/product\/atlas-cermit-wn-694-2291\/\"\u003eATLAS CERMIT WN manufacturer product page (English)\u003c\/a\u003e — scope of use for the render this mould imprints.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Renders World","offers":[{"title":"Default Title","offer_id":56400666231159,"sku":null,"price":162.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1375\/1415\/files\/wood-stamp.webp?v=1767042592"},{"product_id":"atlas-srodek-antyadezyjny-do-form-5l","title":"ATLAS ANTI ADHESIVE FOR FORMS 5L","description":"\u003cp\u003eWood-effect render is made by pressing a mould into wet mineral render, and a mould release agent is what lets the mould come away again. Atlas anti-adhesive release agent 5L is the one named in the render's own method, and at Renders World it sits in the \u003ca href=\"\/collections\/concrete-render\"\u003estencil and stamp render range\u003c\/a\u003e beside the render and the moulds it serves.\u003c\/p\u003e\n\u003ch2 id=\"where-it-sits\"\u003eWhere a Mould Release Agent Sits in the Wood-Effect Sequence\u003c\/h2\u003e\n\u003cp\u003eThe place of a mould release agent in this job is fixed by the render, not by preference. The ATLAS CERMIT WN technical card sets out the wood-texture method, and the release step is written into it.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLay the render about 4 mm thick\u003c\/strong\u003e where the texture will be pressed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWait 20 to 60 minutes\u003c\/strong\u003e after laying, until the surface has stiffened enough to hold an impression.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrease the mould thoroughly before use\u003c\/strong\u003e with the Atlas anti-adhesive release agent — the card names it, so this is an instruction and not a suggestion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour comes later:\u003c\/strong\u003e after three days the surface may be covered with the ATLAS BEJCA tinted impregnant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTwo things follow for a UK job. A release agent is a consumable and not a tool, so it belongs on the order beside the render; and it works on the mould and never on the wall, which keeps it clear of the face that later takes colour.\u003c\/p\u003e\n\u003ch2 id=\"why-this-agent\"\u003eWhy This One and Not a General-Purpose Release Oil\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIt leaves no stains on the substrate,\u003c\/strong\u003e which matters because the finish is decorative and is seen at close range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIt does not degrade or deform the moulds,\u003c\/strong\u003e stated as a property of the release agent, so the pattern tool survives repeated cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiodegradable and ready to use:\u003c\/strong\u003e a clear red liquid that must never be diluted or combined with other materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeclared for silicone and polyurethane moulds,\u003c\/strong\u003e which covers pattern tooling that is not the Atlas silicone mould.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot classified as hazardous\u003c\/strong\u003e under regulation 1272\/2008, with one precautionary statement on the safety data sheet: keep out of reach of children.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"technical-data\"\u003eTechnical Data, With the Two Scopes Kept Apart\u003c\/h2\u003e\n\u003cp\u003eThe release agent's own figures are few; the ones that govern a working day belong to the render underneath. Both sets are below, each against the document it came from.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eFigure\u003c\/th\u003e\n\u003cth\u003eApplies to\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack size\u003c\/td\u003e\n\u003ctd\u003e5 l plastic container\u003c\/td\u003e\n\u003ctd\u003eThe release agent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAppearance\u003c\/td\u003e\n\u003ctd\u003eclear red liquid\u003c\/td\u003e\n\u003ctd\u003eThe release agent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDensity\u003c\/td\u003e\n\u003ctd\u003e0.91–0.92 g\/cm³\u003c\/td\u003e\n\u003ctd\u003eThe release agent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConsumption\u003c\/td\u003e\n\u003ctd\u003e~50 ml per greasing\u003c\/td\u003e\n\u003ctd\u003eThe release agent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking temperature\u003c\/td\u003e\n\u003ctd\u003e+5 °C to +30 °C\u003c\/td\u003e\n\u003ctd\u003eSubstrate and ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage temperature\u003c\/td\u003e\n\u003ctd\u003e+5 °C to +30 °C\u003c\/td\u003e\n\u003ctd\u003eThe release agent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf life\u003c\/td\u003e\n\u003ctd\u003e12 months from production\u003c\/td\u003e\n\u003ctd\u003eThe release agent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRender layer\u003c\/td\u003e\n\u003ctd\u003eabout 4 mm\u003c\/td\u003e\n\u003ctd\u003eATLAS CERMIT WN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImprinting window\u003c\/td\u003e\n\u003ctd\u003e20–60 minutes after laying\u003c\/td\u003e\n\u003ctd\u003eATLAS CERMIT WN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRender consumption\u003c\/td\u003e\n\u003ctd\u003e2.5–3.0 kg\/m²\u003c\/td\u003e\n\u003ctd\u003eATLAS CERMIT WN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe mould release agent is dosed per greasing and not per square metre, because the figure is an average for one full coating of a mould and is not tied to any mould size: a plank format will draw more than 50 ml and a hand stamp less. The render underneath is the opposite — it is ordered by area, and at the heavier rate 25 kg ÷ 3.0 kg\/m² = about 8 m² from one bag of CERMIT WN.\u003c\/p\u003e\n\u003ch2 id=\"how-to-apply\"\u003eHow to Apply It: Dosage, Direction and Re-Coating\u003c\/h2\u003e\n\u003cp\u003eThe method below is the manufacturer's. One detail in it decides whether the pattern releases cleanly, and it is the direction of the stroke: work along the mould.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo not dilute:\u003c\/strong\u003e this mould release agent arrives ready to use, and adding anything to it is expressly ruled out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoat the patterned side:\u003c\/strong\u003e apply with a brush or a roller, working \u003cstrong\u003ealong the mould\u003c\/strong\u003e rather than across it, in as even a layer as you can manage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse about 50 ml per greasing,\u003c\/strong\u003e the card's average for one full coating of a mould.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecoat on the card's cycle:\u003c\/strong\u003e after two impressions, brush the mould clear of render residue and apply a thin fresh layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFollow the render card where the two differ:\u003c\/strong\u003e CERMIT WN asks for the mould to be greased thoroughly before use and carries no impression count, so on a decorative elevation coat before each press and treat the two-impression allowance as the minimum.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe full sequence from substrate to sealer is set out in the \u003ca href=\"\/blogs\/news\/concrete-effect-render-application-guide-uk\"\u003econcrete effect render application guide\u003c\/a\u003e, and mould and stencil selection is covered in the \u003ca href=\"\/blogs\/news\/wood-and-brick-stencils-for-render\"\u003ewood and brick stencil guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2 id=\"yield\"\u003eHow Far One Container of Mould Release Agent Goes\u003c\/h2\u003e\n\u003cp\u003eYield is counted in greasings, because a release agent has no idea how big your mould is: 5,000 ml ÷ 50 ml per greasing = about \u003cstrong\u003e100 greasings\u003c\/strong\u003e from one 5-litre container. Converting that to square metres needs the face area of the mould you are actually using — the Atlas silicone plank mould and the compact Fox hand mould answer that differently — so take your own mould's face area and divide it into the greasing count.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn the release agent's own cycle,\u003c\/strong\u003e two impressions per coating, one container covers a long run of pressing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn the render card's stricter reading,\u003c\/strong\u003e one greasing per impression, the same container still outlasts most single elevations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEither way it is a standing consumable,\u003c\/strong\u003e which is why Renders World keeps this mould release agent on the shelf beside the render rather than ordering it per job.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"washing-and-storage\"\u003eWashing the Mould and Storing the Container\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWash the mould after the session\u003c\/strong\u003e with water and added detergent. Incomplete washing can permanently deform the mould, which the card states plainly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear the recesses during the work\u003c\/strong\u003e with a brush, so each impression starts from a clean pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStore the container sealed\u003c\/strong\u003e in its original packaging, in a cool, dry, well-ventilated place between +5 °C and +30 °C. Kept that way the product holds for \u003cstrong\u003e12 months\u003c\/strong\u003e from the production date.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"specify-with-system\"\u003eSpecify It With the Rest of the Wood-Effect System\u003c\/h2\u003e\n\u003cp\u003eA mould release agent is one of four things a stamped facade needs, and it is the smallest of them by a distance. Renders World stocks all four together.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe render and the mould\u003c\/strong\u003e come first in the sequence, and the pairing is set by the CERMIT WN method.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour follows three days later\u003c\/strong\u003e with an ATLAS BEJCA tinted impregnant; the options are compared in the \u003ca href=\"\/blogs\/news\/sealers-for-concrete-effect-renders-uk\"\u003esealers for concrete effect renders guide\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate preparation may need a primer\u003c\/strong\u003e before any of it, from the \u003ca href=\"\/collections\/primers\"\u003eexterior render primers\u003c\/a\u003e range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA concrete look instead of timber\u003c\/strong\u003e uses no release agent at all; \u003ca href=\"\/products\/atlas-base-coat-paint-10l\"\u003eAtlas base coat paint\u003c\/a\u003e is the route over the same family of renders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"faq\"\u003eFAQ: Yield, Compatibility, Recoating and Care\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCoatings per container · declared moulds and renders · recoating cycle · storage · handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 id=\"faq-yield\"\u003eHow many mould coatings does a 5-litre container of mould release agent give?\u003c\/h3\u003e\n\u003cp\u003eAbout one hundred, from 5,000 ml at the stated average of 50 ml per greasing. That average is not tied to a mould size, so a 2-metre plank format will draw more than 50 ml and a hand-sized stamp less. Run your first container against a tally of presses and you will have a figure calibrated to your own tooling.\u003c\/p\u003e\n\u003ch3 id=\"faq-compatibility\"\u003eWhich moulds and renders is this release agent declared for?\u003c\/h3\u003e\n\u003cp\u003eSilicone and polyurethane moulds, and mineral renders — the card gives the wood-texture technology using ATLAS CERMIT WN as its example application. It is also stated as compatible with ATLAS BEJCA, so the cured surface still takes the tinted impregnant. Other mould materials sit outside what the card covers, so ask the tooling supplier for their own recommendation.\u003c\/p\u003e\n\u003ch3 id=\"faq-recoat\"\u003eDo I need to recoat the mould before every impression?\u003c\/h3\u003e\n\u003cp\u003eThe agent's card permits two impressions per coating, then a brush-out of render residue and a thin fresh layer. The CERMIT WN card asks for the mould to be greased thoroughly before use and gives no impression count. The safer working rule is the render card's: coat before each press, and treat the two-impression allowance as the manufacturer's minimum rather than a target.\u003c\/p\u003e\n\u003ch3 id=\"faq-safety\"\u003eWhat handling precautions does Atlas state?\u003c\/h3\u003e\n\u003cp\u003eThe release agent is not classified as hazardous under regulation 1272\/2008, and the safety data sheet carries one precautionary statement: keep out of reach of children. Both documents are linked below.\u003c\/p\u003e\n\u003ch2 id=\"technical-documentation\"\u003eTechnical Documentation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.atlas.com.pl\/wp-content\/uploads\/2026\/08\/96a84cee9ef3bae19a6b9322664e1e8492cca5b8_pl_7987_20220811_095418.pdf\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eATLAS Środek Antyadhezyjny technical card, file pl_7987_20220811 (PDF, Polish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.atlas.com.pl\/wp-content\/uploads\/2026\/08\/b391ce9607682bcd96d93e0043aef58088a77d13_pl_7756_20240926_135823.pdf\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eATLAS Środek Antyadhezyjny safety data sheet, version 1.4 (PDF, Polish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.atlas.com.pl\/wp-content\/uploads\/2026\/08\/6f2897e6309234db91736ffeecbd8d2fbca0680b_pl_7985_20260206_082636.pdf\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eATLAS CERMIT WN technical card, the render this agent serves (PDF, Polish)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atlas","offers":[{"title":"Default Title","offer_id":56400668164471,"sku":null,"price":40.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1375\/1415\/files\/atlas-anti-adhesion-agent_p_2285_20230428_142936.jpg?v=1768426399"},{"product_id":"atlas-bejca-sealer-renders-09-heban-4l","title":"ATLAS BEJCA SEALER RENDERS 09 EBONY 4L","description":"\u003cp\u003e\u003cstrong\u003eAtlas Bejca Ebony\u003c\/strong\u003e is shade 09 of the ten-colour Atlas Bejca range, the darkest shade it is made in. Renders World keeps it on the shelf beside the walnut, teak and birch shades. It is a semi-transparent tinted impregnant for \u003ca href=\"\/products\/atlas-cermit-wn-smooth-render-25kg\"\u003eCermit WN wood-texture render\u003c\/a\u003e, supplied in a 4-litre bucket that covers 16–20 m² a coat.\u003c\/p\u003e\n\u003ch2 id=\"czym-jest-atlas-bejca-ebony\"\u003eWhat Atlas Bejca Ebony Is\u003c\/h2\u003e\n\u003cp\u003eAtlas Bejca Ebony does one job: a thin coloured protective coating on Cermit WN decorative render, the surface pressed into the texture of natural timber. The colour is carried by semi-transparent pigments chosen for high UV resistance, with small additions of inorganic pigments, so the grain still reads through the tone instead of being painted out.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBinder:\u003c\/strong\u003e a blend of low-molecular polymer dispersions and silicone resins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackgrounds permitted:\u003c\/strong\u003e Cermit WN first, then concrete, mineral renders of every kind, smooth or textured, gypsum plasters and fillers, and plasterboard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e ten shades — 01 alder, 02 pine, 03 walnut, 04 oak, 05 mahogany, 06 tekwood, 07 rosewood, 08 birch, 09 ebony, 10 acacia. Nothing in the Atlas documentation separates them on any property but pigment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAtlas Bejca Ebony is supplied in a 4-litre pack with a storage life of 12 months from the production date printed on it.\u003c\/p\u003e\n\u003ch2 id=\"pokrycie-atlas-bejca-ebony\"\u003eCoverage, and How Many Buckets a Wall Takes\u003c\/h2\u003e\n\u003cp\u003eConsumption for Atlas Bejca Ebony is stated per litre rather than per pack: 4–5 m² from one litre at a single coat. The pack holds 4 litres, so 4 L × 4–5 m²\/L gives 16–20 m² per coat. The Atlas data sheet adds that exact consumption is settled by a trial on the substrate to be painted, which matters here, because a porous freshly cured panel drinks more than a well-closed one.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDivide the area by 16 m² per bucket per coat — the tight end, not the generous one — and round up.\u003c\/li\u003e\n\u003cli\u003eMultiply by the number of coats the finish calls for. A 30 m² gable takes two buckets for one coat, four for two.\u003c\/li\u003e\n\u003cli\u003eOne or two layers are both permitted and no second coat is required, so depth of tone is the applicator's decision rather than a rule.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"ciemny-odcien-atlas-bejca-ebony\"\u003eWhat the Darkest Shade Changes on a Facade\u003c\/h2\u003e\n\u003cp\u003eAtlas Bejca Ebony carries one warning about dark colour, and its scope is worth stating precisely, because the sentence belongs to the render underneath rather than to the coating on top of it. The words are about the render finish: dark, intensive render colours with an HBW below 20 are recommended for limited areas of a facade, since they absorb more solar radiation. No HBW figure is given for any of the ten shades, so nobody can put a number to where this one sits against that threshold — only that it is the deepest tone in the range, and that the caution is aimed at exactly this end of a palette.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIt is not applied to strongly sunlit parts of a facade.\u003c\/li\u003e\n\u003cli\u003eThe painted face is kept out of direct sun before the work and for some 24 hours after it.\u003c\/li\u003e\n\u003cli\u003eProtective nets go on the scaffold.\u003c\/li\u003e\n\u003cli\u003eOn a large dark elevation this is a working order rather than a ban: south and west faces are coated early or late in the day, and the shade is agreed with the insulation supplier before the buckets are ordered. The wall's side of the same question is covered in our note on \u003ca href=\"\/blogs\/news\/dark-colours-on-render-solar-heat-risk-uk\"\u003edark colours on render and solar heat\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"stosowanie-atlas-bejca-ebony\"\u003eApplying Atlas Bejca Ebony Over Cured Cermit WN\u003c\/h2\u003e\n\u003cp\u003eCermit WN is seasoned at least 3 days first, and its own documentation says the same from the other side: after three days the surface may be covered with the tinted impregnant. Those times hold for setting at +20 °C and 50 % air humidity, so a cold damp week is not three days. New cement and cement–lime renders take at least 14 days at 2 % moisture, concrete at least three months under 2 %, gypsum substrates and boards under 2 %. Whatever the background, it is dry, sound and free of contamination.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConditions.\u003c\/strong\u003e Substrate and air between +10 °C and +30 °C, relative air humidity under 80 %.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStir.\u003c\/strong\u003e The impregnant arrives ready to use and is never combined with any other material. Stir it thoroughly with a slow-speed paint mixer before starting, and again during the work if the consistency needs evening out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLay it on.\u003c\/strong\u003e Brush, roller or sponge, worked along the pressed grain of the plank rather than across it. One even thin layer, no runs and no missed patches, every recess of the grain covered. Leaving unpainted spots is not acceptable, and on this shade a missed groove is visible from across the road.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIf sprayed.\u003c\/strong\u003e Mask the adjoining facade, the windows and the doors first.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrying.\u003c\/strong\u003e Roughly 30 minutes, widening to between 30 minutes and some two hours with substrate, temperature and humidity. Early resistance to rain comes after some 24 hours, and until the film has dried through the face is protected from dust and rain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne wall, one batch.\u003c\/strong\u003e Coating of a single production date goes on a single surface, because different dates can differ slightly in shade.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfterwards.\u003c\/strong\u003e Tools are cleaned with clean water straight after use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThere is also a two-stage method for an aged timber look: the stain is worked back with a sponge and left to dry fully, then a coat of transparent Bejca goes over it to protect the surface. That transparent grade is a separate product from the ten tinted shades, and Renders World does not stock it, so a job specified this way needs the second material sourced before the first stage starts.\u003c\/p\u003e\n\u003ch2 id=\"zestaw-wokol-atlas-bejca-ebony\"\u003eThe Rest of the Wood-Effect Set\u003c\/h2\u003e\n\u003cp\u003eThe tone is the last step of a four-part method, and the other three sit on the same shelf.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-cermit-wn-smooth-render-25kg\"\u003eCermit WN mineral render\u003c\/a\u003e — laid some 4 mm thick at roughly 2.5–3.0 kg per square metre, in 25 kg bags. The pattern is pressed into it 20 to 60 minutes after laying, and that window is what the whole job turns on.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-silicone-wood-stamp-200x20cm\"\u003eSilicone wood stamp, 200 × 20 cm\u003c\/a\u003e — presses the grain.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-srodek-antyadezyjny-do-form-5l\"\u003eAnti-adhesive agent for silicone moulds\u003c\/a\u003e — keeps render off the stamp. The Cermit WN documentation requires the mould to be greased thoroughly before use without qualification, which is the stricter of the two instructions on file and the one to work to.\u003c\/li\u003e\n\u003cli\u003eThe full sequence from substrate to finish is set out in our \u003ca href=\"\/blogs\/news\/concrete-effect-render-application-guide-uk\"\u003estep-by-step guide to decorative effect renders\u003c\/a\u003e, and shade choice in our \u003ca href=\"\/blogs\/news\/sealers-for-concrete-effect-renders-uk\"\u003eguide to sealers for decorative renders\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"cztery-odcienie-bejca\"\u003eThe Four Shades Renders World Stocks\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-bejca-sealer-renders-08-brzoza-4l\"\u003e08 Birch\u003c\/a\u003e — the palest of the four.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-bejca-sealer-renders-06-teak-4l-1\"\u003e06 Teak\u003c\/a\u003e — the warm mid tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-bejca-sealer-renders-03-walnut-4l\"\u003e03 Walnut\u003c\/a\u003e — the mid brown.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e09 Ebony\u003c\/strong\u003e — this one, the darkest.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlder, pine, oak, mahogany, rosewood and acacia are not on the shelf. Since the shades differ in pigment alone — same binder, same consumption, same permitted backgrounds, same pack — choosing between them is a choice of colour and of nothing else, and Atlas Bejca Ebony is the end of that scale rather than a different material.\u003c\/p\u003e\n\u003ch2 id=\"dane-techniczne-atlas-bejca-ebony\"\u003eTechnical Data and the Limits Atlas Sets\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDensity\u003c\/td\u003e\n\u003ctd\u003e1.02 kg\/dm³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConsumption\u003c\/td\u003e\n\u003ctd\u003e4–5 m² per litre, one coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack\u003c\/td\u003e\n\u003ctd\u003e4 litre bucket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication temperature\u003c\/td\u003e\n\u003ctd\u003e+10 °C to +30 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir humidity during the work\u003c\/td\u003e\n\u003ctd\u003eunder 80 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrying\u003c\/td\u003e\n\u003ctd\u003e30 minutes to two hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarly resistance to rain\u003c\/td\u003e\n\u003ctd\u003eafter about 24 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater absorption, 24 h\u003c\/td\u003e\n\u003ctd\u003e200 g\/m² or less, over Cermit WN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative diffusion resistance\u003c\/td\u003e\n\u003ctd\u003e1.0 m or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrub resistance\u003c\/td\u003e\n\u003ctd\u003eover 5000 strokes, PN-C\/81913\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVOC content\u003c\/td\u003e\n\u003ctd\u003eunder 129.9 g\/l, category A\/f\/FW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVOC permitted\u003c\/td\u003e\n\u003ctd\u003e130.0 g\/l for that category\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage life\u003c\/td\u003e\n\u003ctd\u003e12 months from the production date on the pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATLAS ETICS kit\u003c\/td\u003e\n\u003ctd\u003eITB-KOT-2020\/1616, issue 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATLAS ROKER kit\u003c\/td\u003e\n\u003ctd\u003eITB-KOT-2021\/1919, issue 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATLAS ROKER EPS kit\u003c\/td\u003e\n\u003ctd\u003eITB-KOT-2020\/1188, issue 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe coating is excluded on horizontal surfaces, on surfaces under permanent direct action of water and snow, and where damp rises by capillary action. Four things carry no number in the Bejca documentation and therefore carry none here: a dose in kg\/m², a requirement for a second coat, an HBW value for an individual shade, and a service life or repaint interval.\u003c\/p\u003e\n\u003ch2 id=\"pytania-atlas-bejca-ebony\"\u003eQuestions Buyers Ask\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes it have to go on Cermit WN?\u003c\/strong\u003e No. Cermit WN is what Atlas Bejca Ebony is designed around, but concrete, mineral renders of every kind, gypsum plasters and fillers and plasterboard are all permitted, each with its own seasoning and moisture limit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow long will the tone last?\u003c\/strong\u003e No service life and no repaint interval are given for this coating, so there is no figure to quote. What the documentation does carry is UV resistance as a property of the pigments, and 12 months of storage life for an unopened bucket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan it go indoors?\u003c\/strong\u003e Gypsum plasters, fillers and plasterboard are permitted backgrounds, so an interior wall is within what Atlas Bejca Ebony is made for.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"dokumentacja-atlas-bejca\"\u003eTechnical Documentation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/www.atlas.com.pl\/wp-content\/uploads\/2026\/08\/1864efd7c9272b4292091f2ad03559c41ae854bf_pl_7986_20230904_124456.pdf\"\u003eATLAS BEJCA karta techniczna, update date 2023-09-04 (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/baza.atlas.com.pl\/pliki\/pl_9609_20230428_141141.pdf\"\u003eATLAS BEJCA Technical Data Sheet, English edition, update date 2023-04-05 (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAtlas Bejca Ebony is the shade to pick when the brief wants the darkest end of the timber range. The rest of the method, and the walnut, teak and birch shades Renders World stocks beside it, sit together in our \u003ca href=\"\/collections\/concrete-render\"\u003erange of decorative effect renders\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Renders World","offers":[{"title":"Default Title","offer_id":56400669933943,"sku":null,"price":69.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1375\/1415\/files\/atlas-bejca_b8aea1d2-3dd8-4056-82e8-94a328c9424f.jpg?v=1767042613"},{"product_id":"atlas-cermit-wn-smooth-render-25kg","title":"ATLAS CERMIT WN SMOOTH RENDER 25KG","description":"\u003cp\u003eAtlas Cermit WN is the mineral render behind the wood-grain facades in the \u003ca href=\"\/collections\/concrete-render\"\u003ewood and concrete-effect finishes range\u003c\/a\u003e. It is a white cement-lime render that goes on at about 4 mm and is then pressed with a silicone form, so the grain is impressed into the wet coat rather than floated into it. The interval between trowel and form is what decides how the wall ends up looking.\u003c\/p\u003e\n\u003ch2 id=\"where-it-sits\"\u003eWhere Atlas Cermit WN Sits in the Build-Up\u003c\/h2\u003e\n\u003cp\u003eThe sheet gives Cermit WN two positions on a facade:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eas the finishing coat of an external wall insulation system, over \u003cstrong\u003eEPS boards\u003c\/strong\u003e and over \u003cstrong\u003emineral wool\u003c\/strong\u003e;\u003c\/li\u003e\n\u003cli\u003edirectly on flat, prepared mineral backgrounds — \u003cstrong\u003econcrete\u003c\/strong\u003e and traditional \u003cstrong\u003ecement and cement-lime plasters\u003c\/strong\u003e, once seasoned and primed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe sheet keeps Atlas Cermit WN to facades. It is not laid on ceiling soffits, and not on walls inside a building, on gypsum plaster or on plasterboard.\u003c\/p\u003e\n\u003ch2 id=\"which-buildings\"\u003eWhich Buildings It Is Meant For\u003c\/h2\u003e\n\u003cp\u003eProjects fall into two columns, and the split is finer than commercial against industrial. Industrial construction sits on the suitable side for Cermit WN; industrial warehouses do not.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProject type\u003c\/th\u003e\n\u003cth\u003ePosition on the sheet\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing, offices, schools, health buildings\u003c\/td\u003e\n\u003ctd\u003eSuitable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRetail and service buildings\u003c\/td\u003e\n\u003ctd\u003eSuitable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustrial construction\u003c\/td\u003e\n\u003ctd\u003eSuitable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePassive and energy-efficient construction\u003c\/td\u003e\n\u003ctd\u003eSuitable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustrial warehouses and transport structures\u003c\/td\u003e\n\u003ctd\u003eSilicone render instead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFarm and livestock buildings\u003c\/td\u003e\n\u003ctd\u003eSilicone render instead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeritage buildings\u003c\/td\u003e\n\u003ctd\u003eSilicone render instead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eExposure is the second axis, and every category is marked suitable: urban, industrial, rural, damp ground near water, sites among trees and greenery, and shaded elevations. Two declared properties carry that — \u003cstrong\u003epH 12\u003c\/strong\u003e and a water repellent in the mix, tied on the sheet to natural resistance against mould fungi and algae.\u003c\/p\u003e\n\u003ch2 id=\"declared-specification\"\u003eDeclared Specification\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDeclared value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eComposition\u003c\/td\u003e\n\u003ctd\u003eWhite cement, lime, dolomite aggregates, water repellent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum aggregate\u003c\/td\u003e\n\u003ctd\u003eup to 1.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLayer thickness\u003c\/td\u003e\n\u003ctd\u003eapprox. 4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConsumption\u003c\/td\u003e\n\u003ctd\u003eapprox. 2.5 to 3.0 kg per square metre\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater\u003c\/td\u003e\n\u003ctd\u003e0.21 to 0.24 l per kg, so 5.25 to 6.0 l per bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRest, then remix\u003c\/td\u003e\n\u003ctd\u003e5 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking time\u003c\/td\u003e\n\u003ctd\u003eapprox. 1.0 hour\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBefore the form goes in\u003c\/td\u003e\n\u003ctd\u003eapprox. 20 to 60 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHard to the touch\u003c\/td\u003e\n\u003ctd\u003eafter 24 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReady for the Bejca stain\u003c\/td\u003e\n\u003ctd\u003eafter 3 days at +20 °C, 50% humidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking temperature\u003c\/td\u003e\n\u003ctd\u003e+5 °C to +30 °C, substrate and air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReaction to fire\u003c\/td\u003e\n\u003ctd\u003eclass A1 to PN-EN 998-1:2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeclaration of performance\u003c\/td\u003e\n\u003ctd\u003e108\/1\/CPR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater absorption\u003c\/td\u003e\n\u003ctd\u003eclass Wc1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater permeability\u003c\/td\u003e\n\u003ctd\u003e1 ml\/cm² or less after 48 h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdhesion\u003c\/td\u003e\n\u003ctd\u003e0.3 N\/mm², fracture pattern FP:B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater vapour permeability\u003c\/td\u003e\n\u003ctd\u003eμ of 30 or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiffusion-equivalent air layer\u003c\/td\u003e\n\u003ctd\u003eSd of 0.14 m to 1.4 m, category V2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH of the mortar\u003c\/td\u003e\n\u003ctd\u003e12, which is the high-alkalinity figure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSilicone form\u003c\/td\u003e\n\u003ctd\u003e2 m × 0.2 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003e25 kg paper bag, the only pack made\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf life\u003c\/td\u003e\n\u003ctd\u003e12 months from the production date\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eVapour permeability appears twice because the two figures answer different questions. The μ value belongs to Atlas Cermit WN as a mortar. The Sd range and its V2 category describe the finished surface with the stain on it, and that is the figure a breathability calculation for the wall needs.\u003c\/p\u003e\n\u003ch2 id=\"how-to-apply\"\u003eMixing and Laying Atlas Cermit WN\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDry-mix the bag contents, then pour into \u003cstrong\u003e5.25 to 6.0 l of water per 25 kg\u003c\/strong\u003e and mix mechanically to a uniform mass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeave it 5 minutes and remix.\u003c\/strong\u003e Use the batch within about an hour, stirring occasionally and adding no more water.\u003c\/li\u003e\n\u003cli\u003eLay Atlas Cermit WN on at about \u003cstrong\u003e4 mm\u003c\/strong\u003e, comb it through with a \u003cstrong\u003e10 mm notched trowel\u003c\/strong\u003e to equalise the layer, then smooth it back.\u003c\/li\u003e\n\u003cli\u003eGrease the \u003ca href=\"\/products\/atlas-silicone-wood-stamp-200x20cm\"\u003e2 m × 0.2 m silicone mould\u003c\/a\u003e thoroughly with the \u003ca href=\"\/products\/atlas-srodek-antyadezyjny-do-form-5l\"\u003eAtlas anti-adhesive agent\u003c\/a\u003e before use, and keep its recesses clear.\u003c\/li\u003e\n\u003cli\u003ePress the grain once the surface has stiffened and surface-dried — \u003cstrong\u003e20 to 60 minutes\u003c\/strong\u003e, weather dependent. Work wet on wet and plan breaks at corners and downpipes.\u003c\/li\u003e\n\u003cli\u003eWash the mould with water and detergent afterwards. A mould left unwashed ends up \u003cstrong\u003epermanently deformed\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eThe coat is hard after 24 hours and takes the Bejca tinted impregnant after 3 days at +20 °C and 50% humidity. Cooler British weather stretches both figures. Mould technique for the pattern itself is covered in the \u003ca href=\"\/blogs\/news\/wood-and-brick-stencils-for-render\"\u003eguide to wood and brick stencils for render\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 id=\"substrate\"\u003eSubstrate Seasoning and the Key Coat\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSubstrate\u003c\/th\u003e\n\u003cth\u003eSeasoning\u003c\/th\u003e\n\u003cth\u003eKey coat\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eReinforced ETICS layer in Stopter K-50\u003c\/td\u003e\n\u003ctd\u003emin. 3 days\u003c\/td\u003e\n\u003ctd\u003eNone required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReinforced ETICS layer in other Atlas mortars\u003c\/td\u003e\n\u003ctd\u003emin. 3 days\u003c\/td\u003e\n\u003ctd\u003eCerplast key coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNew cement and cement-lime plasters\u003c\/td\u003e\n\u003ctd\u003emin. 7 days, moisture 4%\u003c\/td\u003e\n\u003ctd\u003eCerplast key coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConcrete backgrounds\u003c\/td\u003e\n\u003ctd\u003emin. 28 days, moisture under 4%\u003c\/td\u003e\n\u003ctd\u003eCerplast key coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThose periods assume +20 °C and 50% humidity, so a cold spring extends them. One row is worth planning around: a reinforced layer built in \u003ca href=\"\/products\/stopter-k-50-adhesive-no-primer-25kg\"\u003eStopter K-50\u003c\/a\u003e takes this render with no key coat at all, while every other background needs a \u003ca href=\"\/products\/cerplast-quartz-primer-white-25kg-75m2\"\u003eCerplast quartz key coat\u003c\/a\u003e first — Renders World holds it in 25 kg and 15 kg.\u003c\/p\u003e\n\u003ch2 id=\"quantities\"\u003eHow Many Bags for the Elevation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAt 3.0 kg\/m², a 25 kg bag covers \u003cstrong\u003e25 ÷ 3.0 = 8.3 m²\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eAt 2.5 kg\/m², the same bag covers \u003cstrong\u003e25 ÷ 2.5 = 10 m²\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe rate is fixed by a trial on the actual substrate, and a 4 mm layer points at the heavy end of the range, so order against 8.3 m² per bag and keep a margin. Renders World holds Atlas Cermit WN in the 25 kg bag, and the form, the release agent and the \u003ca href=\"\/products\/atlas-bejca-sealer-renders-06-teak-4l-1\"\u003eBejca tinted impregnant\u003c\/a\u003e sit on the same shelf, so the whole finish can be ordered together.\u003c\/p\u003e\n\u003ch2 id=\"not-on-the-sheet\"\u003eWhat the Sheet Does Not Cover\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eQuestion\u003c\/th\u003e\n\u003cth\u003eWhat is on record\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal conductivity\u003c\/td\u003e\n\u003ctd\u003eNot declared for this render, so no λ figure is quoted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBBA Agrément 13\/5018\u003c\/td\u003e\n\u003ctd\u003eIssued to systems; Cermit WN is not named in it\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall fire performance\u003c\/td\u003e\n\u003ctd\u003eClass A1 is declared for the mortar, not for a finished wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWhat the render does carry is European Technical Assessment \u003cstrong\u003eETA 06\/0173\u003c\/strong\u003e, plus two Polish ITB national assessments held at system level for the Atlas ETICS and Atlas Roker systems. A UK specifier reads those as evidence about the system, and confirms wall performance with the system holder against current Approved Document B guidance.\u003c\/p\u003e\n\u003ch2 id=\"faq\"\u003eAtlas Cermit WN: Quantities, Compatibility and Conditions\u003c\/h2\u003e\n\u003ch3 id=\"faq-1\"\u003eWhat goes under it and what goes over it?\u003c\/h3\u003e\n\u003cp\u003eUnderneath: a Cerplast key coat on concrete, on cement plasters and on reinforced layers built with Atlas mortars other than Stopter K-50, which needs none. Over the top: the Bejca tinted impregnant after three days, which is what colours the grain.\u003c\/p\u003e\n\u003ch3 id=\"faq-2\"\u003eWhat weather does it allow?\u003c\/h3\u003e\n\u003cp\u003eSubstrate and surroundings between +5 °C and +30 °C, with fresh work protected from direct sun, wind and rain while it goes on and while it dries. The 24-hour and 3-day figures assume +20 °C and 50% humidity.\u003c\/p\u003e\n\u003ch3 id=\"faq-4\"\u003eDoes it need a key coat over insulation board?\u003c\/h3\u003e\n\u003cp\u003eOnly sometimes. A reinforced layer built in Stopter K-50 takes the render after three days with no key coat; a reinforced layer built in any other Atlas mortar needs a Cerplast key coat first, and so do concrete and cement plasters.\u003c\/p\u003e\n\u003ch3 id=\"faq-3\"\u003eIs the silicone form reusable?\u003c\/h3\u003e\n\u003cp\u003eYes. Renders World treats it as the part of the kit worth protecting.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGrease it with the anti-adhesive agent before every impression.\u003c\/li\u003e\n\u003cli\u003eClear render out of the recesses as you work.\u003c\/li\u003e\n\u003cli\u003eWash it with water and detergent at the end of the session. A mould left unwashed deforms permanently.\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Renders World","offers":[{"title":"Default Title","offer_id":56400670228855,"sku":null,"price":24.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1375\/1415\/files\/atlas_cermit_wn_smooth_render_25kg.jpg?v=1778681943"},{"product_id":"atlas-bejca-sealer-renders-08-brzoza-4l","title":"ATLAS BEJCA SEALER RENDERS 08 BIRCH 4L","description":"\u003cp\u003e\u003cstrong\u003eAtlas Bejca Birch\u003c\/strong\u003e is shade 08 of the ten-colour Atlas Bejca range and the palest of the birch, teak, walnut and ebony shades Renders World keeps on the shelf. It is a semi-transparent tinted impregnant for \u003ca href=\"\/products\/atlas-cermit-wn-smooth-render-25kg\"\u003eCermit WN wood-texture render\u003c\/a\u003e, supplied in a 4-litre pack covering 16–20 m² a coat.\u003c\/p\u003e\n\u003ch2 id=\"czym-jest-atlas-bejca-birch\"\u003eWhat Atlas Bejca Birch Is\u003c\/h2\u003e\n\u003cp\u003eBejca has one purpose: a thin coloured protective coating on Cermit WN decorative render, the surface pressed into the texture of natural timber. The tone comes from semi-transparent pigments of high UV resistance with small additions of inorganic pigments. On the palest shade in the range the semi-transparency counts for more than anywhere else, because less pigment stands between the eye and the render — a grey Cermit WN under Atlas Bejca Birch does not give the same wall as a white one.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBinder:\u003c\/strong\u003e low-molecular polymer dispersions blended with silicone resins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermitted backgrounds:\u003c\/strong\u003e Cermit WN, concrete, mineral renders of every kind, gypsum plasters and fillers, plasterboard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShade 08 of ten:\u003c\/strong\u003e 01 alder, 02 pine, 03 walnut, 04 oak, 05 mahogany, 06 tekwood, 07 rosewood, 08 birch, 09 ebony, 10 acacia.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAtlas Bejca Birch comes in a 4-litre pack, storage life 12 months from the production date printed on it.\u003c\/p\u003e\n\u003ch2 id=\"woda-i-para-atlas-bejca-birch\"\u003eRain Out, Vapour Through\u003c\/h2\u003e\n\u003cp\u003eTwo of the figures Atlas gives concern water, and they point in opposite directions on purpose: the coating keeps liquid water out while letting vapour leave the wall.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eWhat is measured\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eWhat it means on the wall\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater absorption, 24 h\u003c\/td\u003e\n\u003ctd\u003e200 g\/m² or less, over Cermit WN\u003c\/td\u003e\n\u003ctd\u003eliquid water stays out of the render\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative diffusion resistance\u003c\/td\u003e\n\u003ctd\u003e1.0 m or less\u003c\/td\u003e\n\u003ctd\u003evapour still leaves the wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrub resistance\u003c\/td\u003e\n\u003ctd\u003eover 5000 strokes, PN-C\/81913\u003c\/td\u003e\n\u003ctd\u003ea pale wall can be washed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe absorption figure belongs to the pair, not to the coating on its own: Atlas measured it with Cermit WN below, so it describes that build-up and no other. The hydrophobic behaviour comes from the silicone resins, and Atlas credits them specifically with reducing how much dust and dirt sticks in the recesses of the render — which on a pale plank is the first place anyone would notice it.\u003c\/p\u003e\n\u003ch2 id=\"pokrycie-atlas-bejca-birch\"\u003eCoverage, and How Many Packs a Wall Takes\u003c\/h2\u003e\n\u003cp\u003eConsumption is given per litre rather than per pack: 4–5 m² from one litre at a single coat. The pack holds 4 litres, so 4 L × 4–5 m²\/L gives 16–20 m² per coat. The Atlas data sheet adds that exact consumption is settled by a trial on the substrate to be painted.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDivide the area by 16 m² per pack per coat and round up. A 40 m² elevation takes three packs for one coat.\u003c\/li\u003e\n\u003cli\u003eMultiply by the number of coats. One or two layers are both permitted, and no second coat is required.\u003c\/li\u003e\n\u003cli\u003eRun the trial on the render you are actually using. A pale shade moves further with the background than a dark one, so the panel decides the look as well as the quantity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"stosowanie-atlas-bejca-birch\"\u003eLaying On Atlas Bejca Birch\u003c\/h2\u003e\n\u003cp\u003eThe background is seasoned first. Cermit WN takes at least 3 days, new cement render at least 14 days at 2 % moisture, concrete at least three months under 2 %, and gypsum substrates and boards under 2 %. Those periods hold for setting at +20 °C and 50 % air humidity. The background is dry, sound and free of contamination before anything goes on it.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eSubstrate and air between +10 °C and +30 °C, air humidity under 80 %, and not on a strongly sunlit elevation.\u003c\/li\u003e\n\u003cli\u003eStir thoroughly with a slow-speed paint mixer. Never thinned, never mixed with anything else.\u003c\/li\u003e\n\u003cli\u003eBrush, roller or sponge, worked along the pressed grain, one even thin layer, every recess covered and nothing left bare.\u003c\/li\u003e\n\u003cli\u003eCoating of one production date on one surface, and tools washed in clean water straight afterwards.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eBejca dries in roughly 30 minutes, widening to two hours with substrate, temperature and humidity, and early resistance to rain comes after some 24 hours; until then the face is kept clear of dust and rain. Sprayed application means masking the adjoining facade, the windows and the doors first. There is also a two-stage aged-plank method, in which the tone is worked back with a sponge and then protected with a coat of transparent Bejca — a separate product that Renders World does not stock.\u003c\/p\u003e\n\u003ch2 id=\"zestaw-atlas-bejca-birch\"\u003eWhere It Sits in the Method\u003c\/h2\u003e\n\u003cp\u003eAtlas Bejca Birch is the last of four steps, and the other three are on the same shelf.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-cermit-wn-smooth-render-25kg\"\u003eCermit WN mineral render\u003c\/a\u003e — some 4 mm thick, roughly 2.5–3.0 kg per square metre, 25 kg bags, with the grain pressed in 20 to 60 minutes after laying.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-silicone-wood-stamp-200x20cm\"\u003eSilicone wood stamp, 200 × 20 cm\u003c\/a\u003e — forms the plank.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-srodek-antyadezyjny-do-form-5l\"\u003eAnti-adhesive agent for silicone moulds\u003c\/a\u003e — the Cermit WN documentation requires the mould greased thoroughly before use, without qualification.\u003c\/li\u003e\n\u003cli\u003eOur \u003ca href=\"\/blogs\/news\/concrete-effect-render-application-guide-uk\"\u003estep-by-step guide to decorative effect renders\u003c\/a\u003e runs the sequence end to end; our \u003ca href=\"\/blogs\/news\/sealers-for-concrete-effect-renders-uk\"\u003eguide to sealers for decorative renders\u003c\/a\u003e covers the shades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"odcienie-wokol-birch\"\u003eBirch Against the Other Three Shades\u003c\/h2\u003e\n\u003cp\u003eRenders World keeps birch, teak, walnut and ebony of the ten. Since the shades differ in pigment alone — same binder, same consumption, same permitted backgrounds, same pack — the choice is a choice of tone and nothing else, settled on a stamped sample rather than on paper.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e08 Birch\u003c\/strong\u003e — this one, the palest, and the one that lets most of the render below show through.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-bejca-sealer-renders-06-teak-4l-1\"\u003e06 Teak\u003c\/a\u003e — the warm mid tone, the everyday board colour.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-bejca-sealer-renders-03-walnut-4l\"\u003e03 Walnut\u003c\/a\u003e — a cooler, deeper brown for contrast against pale render.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-bejca-sealer-renders-09-heban-4l\"\u003e09 Ebony\u003c\/a\u003e — the darkest, and the one the dark-colour caution is aimed at.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"dane-atlas-bejca-birch\"\u003eTechnical Data and the Limits\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDensity\u003c\/td\u003e\n\u003ctd\u003e1.02 kg\/dm³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConsumption\u003c\/td\u003e\n\u003ctd\u003e4–5 m² per litre, one coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack\u003c\/td\u003e\n\u003ctd\u003e4 litre bucket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication temperature\u003c\/td\u003e\n\u003ctd\u003e+10 °C to +30 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir humidity during the work\u003c\/td\u003e\n\u003ctd\u003eunder 80 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrying\u003c\/td\u003e\n\u003ctd\u003e30 minutes to two hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarly resistance to rain\u003c\/td\u003e\n\u003ctd\u003eafter about 24 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVOC content\u003c\/td\u003e\n\u003ctd\u003eunder 129.9 g\/l, category A\/f\/FW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVOC permitted\u003c\/td\u003e\n\u003ctd\u003e130.0 g\/l for that category\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage life\u003c\/td\u003e\n\u003ctd\u003e12 months from the production date on the pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATLAS ETICS kit\u003c\/td\u003e\n\u003ctd\u003eITB-KOT-2020\/1616, issue 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATLAS ROKER kit\u003c\/td\u003e\n\u003ctd\u003eITB-KOT-2021\/1919, issue 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATLAS ROKER EPS kit\u003c\/td\u003e\n\u003ctd\u003eITB-KOT-2020\/1188, issue 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eExcluded on horizontal surfaces, on surfaces under permanent direct action of water and snow, and where damp rises by capillary action. Four things carry no number in the Atlas documentation and therefore carry none here: a dose in kg\/m², a requirement for a second coat, an HBW value for an individual shade, and a service life or repaint interval.\u003c\/p\u003e\n\u003ch2 id=\"pytania-atlas-bejca-birch\"\u003eQuestions Buyers Ask\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes a pale shade stay clean?\u003c\/strong\u003e Atlas gives no soiling figure, so there is nothing to quote. What it does state is that the silicone resins cut water absorption to 200 g\/m² or less over 24 hours with Cermit WN below, and reduce how much dirt sticks in the recesses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan the wall be washed?\u003c\/strong\u003e Resistance to scrubbing is over 5000 strokes to PN-C\/81913. Atlas sets no washing schedule, so frequency is a judgement rather than a specification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs Atlas Bejca Birch technically different from the other three shades?\u003c\/strong\u003e No. Nothing in the Atlas documentation separates the ten on any property but pigment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWill the render colour show through?\u003c\/strong\u003e Yes, more than under any other shade stocked here, which is the reason the sample panel is laid on the render that will actually be used.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"dokumentacja-atlas-bejca-birch\"\u003eTechnical Documentation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/www.atlas.com.pl\/wp-content\/uploads\/2026\/08\/1864efd7c9272b4292091f2ad03559c41ae854bf_pl_7986_20230904_124456.pdf\"\u003eATLAS BEJCA karta techniczna, update date 2023-09-04 (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/baza.atlas.com.pl\/pliki\/pl_9609_20230428_141141.pdf\"\u003eATLAS BEJCA Technical Data Sheet, English edition, update date 2023-04-05 (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAtlas Bejca Birch is the shade to pick when the timber is meant to look light. The rest of the method, and the teak, walnut and ebony shades beside it, sit together in our \u003ca href=\"\/collections\/concrete-render\"\u003erange of decorative effect renders\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Renders World","offers":[{"title":"Default Title","offer_id":56400680026487,"sku":null,"price":69.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1375\/1415\/files\/atlas_bejca_sealer_birch.jpg?v=1778681422"},{"product_id":"atlas-bejca-sealer-renders-03-walnut-4l","title":"ATLAS BEJCA SEALER RENDERS 03 WALNUT 4L","description":"\u003cp\u003e\u003cstrong\u003eAtlas Bejca Walnut\u003c\/strong\u003e is shade 03 of the ten-colour Atlas Bejca range, a mid brown that sits between the pale birch and the near-black ebony Renders World also stocks. It is a semi-transparent tinted impregnant for \u003ca href=\"\/products\/atlas-cermit-wn-smooth-render-25kg\"\u003eCermit WN wood-texture render\u003c\/a\u003e, supplied in a 4-litre pack covering 16–20 m² a coat.\u003c\/p\u003e\n\u003ch2 id=\"czym-jest-atlas-bejca-walnut\"\u003eWhat Atlas Bejca Walnut Is\u003c\/h2\u003e\n\u003cp\u003eBejca has one purpose: a thin coloured protective coating on Cermit WN decorative render, the surface pressed into the texture of natural timber. Semi-transparent pigments of high UV resistance carry the tone, helped by small additions of inorganic pigments, and because the film is semi-transparent the cured shade of the render underneath joins in. On a mid brown that matters: the same pack over a grey Cermit WN and over a white one does not finish the same.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBinder:\u003c\/strong\u003e low-molecular polymer dispersions blended with silicone resins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermitted backgrounds:\u003c\/strong\u003e Cermit WN, concrete, mineral renders of every kind, gypsum plasters and fillers, plasterboard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShade 03 of ten:\u003c\/strong\u003e 01 alder, 02 pine, 03 walnut, 04 oak, 05 mahogany, 06 tekwood, 07 rosewood, 08 birch, 09 ebony, 10 acacia.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAtlas Bejca Walnut comes in a 4-litre pack, storage life 12 months from the production date printed on it.\u003c\/p\u003e\n\u003ch2 id=\"postarzana-deska-atlas-bejca-walnut\"\u003eThe Aged-Plank Finish, in Two Stages\u003c\/h2\u003e\n\u003cp\u003eAtlas publishes a second method for this coating, and it is the one that turns a new wall into old boarding. It runs in two stages and the order is not optional.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eAtlas Bejca Walnut goes on and is worked back with a sponge while the film is still open, so the tone lifts off the raised grain and stays in the hollows. The panel is left to dry fully.\u003c\/li\u003e\n\u003cli\u003eA coat of \u003cem\u003etransparent\u003c\/em\u003e Bejca goes over the whole surface to protect it.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eTwo things follow from that. The first is planning: the transparent grade is a separate product from the ten tinted shades, and Renders World does not stock it, so a specification written this way needs that second material in hand before the sponge work starts. The second is the choice of shade. A worked-back finish shows the render through the thin places, which is why a mid brown suits this method — dark enough to leave a clear grain, light enough that the lifted areas do not go flat.\u003c\/p\u003e\n\u003ch2 id=\"pokrycie-atlas-bejca-walnut\"\u003eCoverage, and How Many Packs a Wall Takes\u003c\/h2\u003e\n\u003cp\u003eConsumption is given per litre, not per pack: 4–5 m² from one litre at a single coat. The pack holds 4 litres, so 4 L × 4–5 m²\/L gives 16–20 m² per coat. The Atlas data sheet adds that exact consumption is settled by a trial on the substrate to be painted.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDivide the area by 16 m² per pack per coat and round up. A 40 m² elevation takes three packs for a single coat.\u003c\/li\u003e\n\u003cli\u003eMultiply by the number of coats. One or two layers are both permitted and no second coat is required.\u003c\/li\u003e\n\u003cli\u003eThe aged-plank method needs its own allowance, because the transparent coat is a second pass over the whole area.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"stosowanie-atlas-bejca-walnut\"\u003eConditions the Sponge Work Depends On\u003c\/h2\u003e\n\u003cp\u003eThe worked-back method suits a programme with a gap built into it, since the second stage starts only once the first has dried right through. Three conditions govern that timing, and none of them is negotiable.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeasoning of the background.\u003c\/strong\u003e Cermit WN at least 3 days; new cement render at least 14 days at 2 % moisture; concrete at least three months under 2 %; gypsum substrates and boards under 2 %. Those periods assume setting at +20 °C and 50 % air humidity, so a cold week buys nothing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeather during the work.\u003c\/strong\u003e Substrate and air between +10 °C and +30 °C, air humidity under 80 %, no strongly sunlit elevation, and protective nets on the scaffold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime between the stages.\u003c\/strong\u003e Drying is roughly 30 minutes and can stretch to two hours; early resistance to rain comes only after some 24 hours, and the sponge stage has to fall comfortably inside that.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBeyond the timing the handling is ordinary. Stir with a slow-speed paint mixer, never thin it and never mix it with anything else. Work along the pressed grain with a brush, roller or sponge and leave no bare recess. Keep one production date to one surface, and wash the tools in clean water afterwards.\u003c\/p\u003e\n\u003ch2 id=\"zestaw-atlas-bejca-walnut\"\u003eWhere It Sits in the Method\u003c\/h2\u003e\n\u003cp\u003eAtlas Bejca Walnut is the last of four steps, and the other three are on the same shelf.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-cermit-wn-smooth-render-25kg\"\u003eCermit WN mineral render\u003c\/a\u003e — some 4 mm thick, roughly 2.5–3.0 kg per square metre, 25 kg bags, with the grain pressed in 20 to 60 minutes after laying.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-silicone-wood-stamp-200x20cm\"\u003eSilicone wood stamp, 200 × 20 cm\u003c\/a\u003e — forms the plank.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-srodek-antyadezyjny-do-form-5l\"\u003eAnti-adhesive agent for silicone moulds\u003c\/a\u003e — the Cermit WN documentation requires the mould greased thoroughly before use, without qualification.\u003c\/li\u003e\n\u003cli\u003eOur \u003ca href=\"\/blogs\/news\/concrete-effect-render-application-guide-uk\"\u003estep-by-step guide to decorative effect renders\u003c\/a\u003e runs the sequence end to end; our \u003ca href=\"\/blogs\/news\/sealers-for-concrete-effect-renders-uk\"\u003eguide to sealers for decorative renders\u003c\/a\u003e covers the shades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"odcienie-wokol-walnut\"\u003eWalnut Against the Other Three Shades\u003c\/h2\u003e\n\u003cp\u003eRenders World keeps birch, teak, walnut and ebony of the ten. Since the shades differ in pigment alone — same binder, same consumption, same permitted backgrounds, same pack — the choice is a choice of tone and nothing else, and it is settled on a stamped sample rather than on paper.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-bejca-sealer-renders-08-brzoza-4l\"\u003e08 Birch\u003c\/a\u003e — the palest, for a light timber tone over a darker base render.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-bejca-sealer-renders-06-teak-4l-1\"\u003e06 Teak\u003c\/a\u003e — the warm mid tone, the everyday board colour.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e03 Walnut\u003c\/strong\u003e — this one, a cooler and deeper brown than teak, and dark enough to leave a clear grain when the sponge lifts the raised areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-bejca-sealer-renders-09-heban-4l\"\u003e09 Ebony\u003c\/a\u003e — the darkest, and the one the dark-colour caution is aimed at.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"dane-atlas-bejca-walnut\"\u003eTechnical Data and the Limits\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDensity\u003c\/td\u003e\n\u003ctd\u003e1.02 kg\/dm³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConsumption\u003c\/td\u003e\n\u003ctd\u003e4–5 m² per litre, one coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack\u003c\/td\u003e\n\u003ctd\u003e4 litre bucket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication temperature\u003c\/td\u003e\n\u003ctd\u003e+10 °C to +30 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir humidity during the work\u003c\/td\u003e\n\u003ctd\u003eunder 80 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrying\u003c\/td\u003e\n\u003ctd\u003e30 minutes to two hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarly resistance to rain\u003c\/td\u003e\n\u003ctd\u003eafter about 24 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater absorption, 24 h\u003c\/td\u003e\n\u003ctd\u003e200 g\/m² or less, over Cermit WN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative diffusion resistance\u003c\/td\u003e\n\u003ctd\u003e1.0 m or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrub resistance\u003c\/td\u003e\n\u003ctd\u003eover 5000 strokes, PN-C\/81913\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVOC content\u003c\/td\u003e\n\u003ctd\u003eunder 129.9 g\/l, category A\/f\/FW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVOC permitted\u003c\/td\u003e\n\u003ctd\u003e130.0 g\/l for that category\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage life\u003c\/td\u003e\n\u003ctd\u003e12 months from the production date on the pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATLAS ETICS kit\u003c\/td\u003e\n\u003ctd\u003eITB-KOT-2020\/1616, issue 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATLAS ROKER kit\u003c\/td\u003e\n\u003ctd\u003eITB-KOT-2021\/1919, issue 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATLAS ROKER EPS kit\u003c\/td\u003e\n\u003ctd\u003eITB-KOT-2020\/1188, issue 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eExcluded on horizontal surfaces, on surfaces under permanent direct action of water and snow, and where damp rises by capillary action. Four things carry no number in the Atlas documentation and therefore carry none here: a dose in kg\/m², a requirement for a second coat, an HBW value for an individual shade, and a service life or repaint interval.\u003c\/p\u003e\n\u003ch2 id=\"pytania-atlas-bejca-walnut\"\u003eQuestions Buyers Ask\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat does the aged-plank method add to the order?\u003c\/strong\u003e A second material. Atlas Bejca Walnut does the colour and the sponge work; the protective pass over it is transparent Bejca, which is not one of the shades stocked here.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWill Atlas Bejca Walnut look the same on grey render as on white?\u003c\/strong\u003e No. The film is semi-transparent, so the cured shade of the Cermit WN under it is part of the result, and the sample panel is the only honest answer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs walnut technically different from the other three shades?\u003c\/strong\u003e No. Nothing in the Atlas documentation separates the ten on any property but pigment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow long will the tone hold?\u003c\/strong\u003e No service life and no repaint interval are published, so there is no figure to quote. UV resistance is stated as a property of the pigments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"dokumentacja-atlas-bejca-walnut\"\u003eTechnical Documentation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/www.atlas.com.pl\/wp-content\/uploads\/2026\/08\/1864efd7c9272b4292091f2ad03559c41ae854bf_pl_7986_20230904_124456.pdf\"\u003eATLAS BEJCA karta techniczna, update date 2023-09-04 (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/baza.atlas.com.pl\/pliki\/pl_9609_20230428_141141.pdf\"\u003eATLAS BEJCA Technical Data Sheet, English edition, update date 2023-04-05 (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAtlas Bejca Walnut is the shade to pick for a deeper board tone, and the one to pick when the finish is meant to look worked rather than new. The rest of the method, and the birch, teak and ebony shades beside it, sit together in our \u003ca href=\"\/collections\/concrete-render\"\u003erange of decorative effect renders\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Renders World","offers":[{"title":"Default Title","offer_id":56400696639863,"sku":null,"price":69.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1375\/1415\/files\/atlas_bejca_sealer_walnut.jpg?v=1778679746"},{"product_id":"atlas-bejca-sealer-renders-06-teak-4l-1","title":"ATLAS BEJCA SEALER RENDERS 06 TEAK 4L","description":"\u003cp\u003e\u003cstrong\u003eAtlas Bejca Teak\u003c\/strong\u003e is shade 06 of the ten-colour Atlas Bejca range, the warm mid tone among the birch, teak, walnut and ebony shades Renders World keeps on the shelf. It is a semi-transparent tinted impregnant for \u003ca href=\"\/products\/atlas-cermit-wn-smooth-render-25kg\"\u003eCermit WN wood-texture render\u003c\/a\u003e, supplied in a 4-litre pack that covers 16–20 m² a coat.\u003c\/p\u003e\n\u003ch2 id=\"czym-jest-atlas-bejca-teak\"\u003eWhat Atlas Bejca Teak Is\u003c\/h2\u003e\n\u003cp\u003eBejca has one job: a thin coloured protective coating on Cermit WN decorative render, the surface pressed into the texture of natural timber. Semi-transparent pigments chosen for high UV resistance carry the colour, with small additions of inorganic pigments, so the pressed grain still reads through the tone rather than disappearing under it. The binder is a blend of low-molecular polymer dispersions and silicone resins.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhere it belongs:\u003c\/strong\u003e over Cermit WN, as the colour and the protective film in one pass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhere else it is allowed:\u003c\/strong\u003e concrete, mineral renders of every kind, smooth or textured, gypsum plasters and fillers, and plasterboard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShade 06 in a range of ten:\u003c\/strong\u003e 01 alder, 02 pine, 03 walnut, 04 oak, 05 mahogany, 06 tekwood, 07 rosewood, 08 birch, 09 ebony, 10 acacia.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAtlas Bejca Teak comes in a 4-litre pack with a storage life of 12 months from the production date printed on it.\u003c\/p\u003e\n\u003ch2 id=\"podloze-atlas-bejca-teak\"\u003eThe Background Decides the Waiting, Not the Coating\u003c\/h2\u003e\n\u003cp\u003eTiming is settled by what lies underneath rather than by Atlas Bejca Teak itself, and it is worth settling before the scaffold goes up. Atlas sets a seasoning period for every permitted background, and the periods are not close to one another. They hold for setting at +20 °C and 50 % air humidity, so a cold damp fortnight does not count the same as a warm dry one.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBackground\u003c\/th\u003e\n\u003cth\u003eWait before the coating\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCermit WN decorative render\u003c\/td\u003e\n\u003ctd\u003eat least 3 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNew cement and cement–lime renders\u003c\/td\u003e\n\u003ctd\u003eat least 14 days, moisture 2 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConcrete\u003c\/td\u003e\n\u003ctd\u003eat least 3 months, moisture under 2 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGypsum plasters and fillers\u003c\/td\u003e\n\u003ctd\u003emoisture under 2 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlasterboard and fibre-cement board\u003c\/td\u003e\n\u003ctd\u003emoisture under 2 %, fixed stably\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eWhichever it is, the background is dry, sound and free of contamination before anything goes on it. Concrete is the one that catches people out: three months is a season, not a fortnight, and a facade planned around a shorter wait has to change either its programme or its background. Where the wall is older and has been painted or is simply dusty, the preparation stage belongs with an \u003ca href=\"\/collections\/primers\"\u003eexterior render primer\u003c\/a\u003e chosen for that background rather than for the coating over it.\u003c\/p\u003e\n\u003ch2 id=\"pokrycie-atlas-bejca-teak\"\u003eCoverage, and How Many Packs a Wall Takes\u003c\/h2\u003e\n\u003cp\u003eConsumption is stated per litre rather than per pack: 4–5 m² from one litre at a single coat. The pack holds 4 litres, so 4 L × 4–5 m²\/L gives 16–20 m² per coat. The Atlas data sheet adds that exact consumption is settled by a trial on the substrate to be painted.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDivide the area by 16 m² per pack per coat — the tight end of the band — and round up.\u003c\/li\u003e\n\u003cli\u003eMultiply by the number of coats. A 40 m² elevation takes three packs for one coat.\u003c\/li\u003e\n\u003cli\u003eOne or two layers are both permitted and no second coat is required, so the depth of the timber tone is the applicator's decision rather than a rule.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe trial panel earns its place twice over on a semi-transparent product. It settles consumption for the porosity of this render, and it settles the colour, because the cured shade of the Cermit WN underneath shows through Atlas Bejca Teak and contributes to what the eye finally reads.\u003c\/p\u003e\n\u003ch2 id=\"stosowanie-atlas-bejca-teak\"\u003eLaying On Atlas Bejca Teak\u003c\/h2\u003e\n\u003cp\u003eFour things decide whether the wall looks like one wall.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eSubstrate and air between +10 °C and +30 °C, air humidity under 80 %, and not on a strongly sunlit elevation.\u003c\/li\u003e\n\u003cli\u003eStir Atlas Bejca Teak thoroughly with a slow-speed paint mixer, never thinned and never mixed with anything else.\u003c\/li\u003e\n\u003cli\u003eBrush, roller or sponge, along the pressed grain, in one even thin layer with every recess covered and nothing left bare.\u003c\/li\u003e\n\u003cli\u003eCoating of a single production date on a single surface, tools washed in clean water afterwards.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eBejca dries in roughly 30 minutes, widening to two hours with the weather, and early resistance to rain comes after some 24 hours; until then the face is kept clear of dust and rain. There is also a two-stage method for an aged timber look: Bejca is worked back with a sponge and left to dry fully, then a coat of transparent Bejca goes over it. The transparent grade is a separate product from the ten tinted shades and Renders World does not stock it, so that specification needs the second material sourced before the first stage begins.\u003c\/p\u003e\n\u003ch2 id=\"zestaw-atlas-bejca-teak\"\u003eWhere It Sits in the Method\u003c\/h2\u003e\n\u003cp\u003eThe colour is the last of four steps, and the other three are on the same shelf.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-cermit-wn-smooth-render-25kg\"\u003eCermit WN mineral render\u003c\/a\u003e — laid some 4 mm thick at roughly 2.5–3.0 kg per square metre, in 25 kg bags. The grain is pressed into it 20 to 60 minutes after laying.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-silicone-wood-stamp-200x20cm\"\u003eSilicone wood stamp, 200 × 20 cm\u003c\/a\u003e — forms the plank and the grain.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-srodek-antyadezyjny-do-form-5l\"\u003eAnti-adhesive agent for silicone moulds\u003c\/a\u003e — the Cermit WN documentation requires the mould to be greased thoroughly before use, without qualification, and that is the stricter of the two instructions on file.\u003c\/li\u003e\n\u003cli\u003eOur \u003ca href=\"\/blogs\/news\/concrete-effect-render-application-guide-uk\"\u003estep-by-step guide to decorative effect renders\u003c\/a\u003e runs the sequence end to end, and our \u003ca href=\"\/blogs\/news\/sealers-for-concrete-effect-renders-uk\"\u003eguide to sealers for decorative renders\u003c\/a\u003e covers the choice of shade.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"odcienie-wokol-teak\"\u003eTeak Against the Other Three Shades\u003c\/h2\u003e\n\u003cp\u003eRenders World keeps birch, teak, walnut and ebony of the ten. Since the shades differ in pigment alone — same binder, same consumption, same permitted backgrounds, same pack — the choice is a choice of colour and of nothing else, settled on the sample panel rather than on a specification sheet.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-bejca-sealer-renders-08-brzoza-4l\"\u003e08 Birch\u003c\/a\u003e — the palest, for a light timber tone over a darker base render.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e06 Teak\u003c\/strong\u003e — this one, the warm mid tone, and the default board colour on a full elevation.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-bejca-sealer-renders-03-walnut-4l\"\u003e03 Walnut\u003c\/a\u003e — a step darker, where contrast against pale render is the point.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/atlas-bejca-sealer-renders-09-heban-4l\"\u003e09 Ebony\u003c\/a\u003e — the darkest, and the one the dark-colour caution is aimed at.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"dane-atlas-bejca-teak\"\u003eTechnical Data and the Limits\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDensity\u003c\/td\u003e\n\u003ctd\u003e1.02 kg\/dm³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConsumption\u003c\/td\u003e\n\u003ctd\u003e4–5 m² per litre, one coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack\u003c\/td\u003e\n\u003ctd\u003e4 litre bucket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication temperature\u003c\/td\u003e\n\u003ctd\u003e+10 °C to +30 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir humidity during the work\u003c\/td\u003e\n\u003ctd\u003eunder 80 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrying\u003c\/td\u003e\n\u003ctd\u003e30 minutes to two hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEarly resistance to rain\u003c\/td\u003e\n\u003ctd\u003eafter about 24 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater absorption, 24 h\u003c\/td\u003e\n\u003ctd\u003e200 g\/m² or less, over Cermit WN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative diffusion resistance\u003c\/td\u003e\n\u003ctd\u003e1.0 m or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrub resistance\u003c\/td\u003e\n\u003ctd\u003eover 5000 strokes, PN-C\/81913\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVOC content\u003c\/td\u003e\n\u003ctd\u003eunder 129.9 g\/l, category A\/f\/FW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVOC permitted\u003c\/td\u003e\n\u003ctd\u003e130.0 g\/l for that category\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage life\u003c\/td\u003e\n\u003ctd\u003e12 months from the production date on the pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATLAS ETICS kit\u003c\/td\u003e\n\u003ctd\u003eITB-KOT-2020\/1616, issue 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATLAS ROKER kit\u003c\/td\u003e\n\u003ctd\u003eITB-KOT-2021\/1919, issue 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATLAS ROKER EPS kit\u003c\/td\u003e\n\u003ctd\u003eITB-KOT-2020\/1188, issue 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe coating is excluded on horizontal surfaces, on surfaces under permanent direct action of water and snow, and where damp rises by capillary action. Four things carry no number in the Atlas documentation and therefore carry none here: a dose in kg\/m², a requirement for a second coat, an HBW value for an individual shade, and a service life or repaint interval.\u003c\/p\u003e\n\u003ch2 id=\"pytania-atlas-bejca-teak\"\u003eQuestions Buyers Ask\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I put it on a wall that is not Cermit WN?\u003c\/strong\u003e Yes, within the list above, but the waiting time changes with the background — three days over Cermit WN, a fortnight over new cement render, three months over concrete.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs teak technically different from walnut, birch or ebony?\u003c\/strong\u003e No. Nothing in the Atlas documentation separates the ten shades on any property but pigment, so the decision is tonal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow long will the colour hold?\u003c\/strong\u003e No service life and no repaint interval are given, so there is no figure to quote. What the documentation carries is UV resistance as a property of the pigments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes it suit an insulated wall?\u003c\/strong\u003e Atlas Bejca Teak is named as a component of the ETICS, ROKER and ROKER EPS kits, with the assessment numbers in the table above. That is membership of a kit as the manufacturer describes it, and nothing more is claimed for it here.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 id=\"dokumentacja-atlas-bejca-teak\"\u003eTechnical Documentation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/www.atlas.com.pl\/wp-content\/uploads\/2026\/08\/1864efd7c9272b4292091f2ad03559c41ae854bf_pl_7986_20230904_124456.pdf\"\u003eATLAS BEJCA karta techniczna, update date 2023-09-04 (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener noreferrer\" target=\"_blank\" href=\"https:\/\/baza.atlas.com.pl\/pliki\/pl_9609_20230428_141141.pdf\"\u003eATLAS BEJCA Technical Data Sheet, English edition, update date 2023-04-05 (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAtlas Bejca Teak is the shade to pick when the brief wants an ordinary warm timber board rather than a statement. The rest of the method, and the birch, walnut and ebony shades beside it, sit together in our \u003ca href=\"\/collections\/concrete-render\"\u003erange of decorative effect renders\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Renders World","offers":[{"title":"Default Title","offer_id":56400696836471,"sku":null,"price":69.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1375\/1415\/files\/atlas_bejca_sealer_teak_4l.jpg?v=1778679297"}],"url":"https:\/\/renders-world.co.uk\/collections\/wood-effect-render.oembed","provider":"Renders World","version":"1.0","type":"link"}