WK-DS085 Spiral Anchor 85mm for EPS External Wall Insulation, Klimas | 10 pcs

The WK-DS085 is the long, 85 mm version of the Klimas plastic spiral anchor. You screw it into the polystyrene of an insulated wall and hang a light item on it — a sign, a letter box, a wall light — up to 5 kg per anchor. There are ten in a bag, stocked with the rest of the Renders World render fixings and EWI plugs.

What You Can Hang on the WK-DS085

The spiral anchor is meant for light items that carry no structural load, mounted on the face of a wall insulated with polystyrene. Klimas sets the limit at 5 kg for each anchor and names typical uses:

• house numbers and signs;
• letter boxes;
• lighting and motion sensors.

Shutters, blinds and window awnings are a different case. Klimas rules out structural fixings and items exposed to strong, changing forces, and those are its examples, so they need a fixing anchored in the wall behind.

Why Fitters Use the 85 mm Spiral Anchor

1. The insulation stays whole. Screwed into the polystyrene layer, the spiral anchor keeps the insulation continuous where the item is fixed — no thermal bridge.
2. Hold in the insulation, not the wall behind. A light fitting can be fixed without a plug long enough to pass through the insulation into the wall.
3. A 28 mm head. Each anchor ends in a 28 mm collar.
4. Polyamide body. Klimas chose polyamide because it stands up to changing weather on an outside wall.
5. Common bits and screws. A TORX-30 bit on a drill-driver sets the anchor; a 4.5 mm screw then holds the item.

WK-DS085 Specification

How to Install the WK-DS085

Start by marking the fixing points on the facade. What comes next depends on the stage of the job:

1. During the build: fit the anchor into the insulation boards before the adhesive and reinforcing mesh layer is applied.
2. On a finished facade: make a hole through the render and the meshed base coat with a concrete drill bit, and screw the anchor into the polystyrene behind it.

In both cases the spiral anchor goes in with a TORX-30 bit, and the item is then fixed to it with a 4.5 mm screw. For the wider picture of fixings in external wall insulation, see the EWI fixings installation guide.

Screws for the WK-DS085

The bag holds the anchors only. Each item you mount is fixed to the anchor with a 4.5 mm screw, so order one screw for every anchor and choose its length to suit the item.

WK-DS085 or WK-DS050?

At Renders World the WK-DS comes as an 85 mm and a 50 mm anchor, and nothing else changes between them. Measure the depth of polystyrene at the spot where you will fix, and choose the length to suit.

Extra length is not extra strength: the 85 mm spiral anchor has the same 5 kg rating as the 50 mm one.

Buying the WK-DS085: Delivery, Collection, Returns

• Same-day dispatch when the bags are on the shelf.
• Delivery cost is worked out by the team after you order, choosing the cheapest suitable service. Parcels up to 25 kg can be sent next day, to the kerb.
• Counter collection in Southampton: Unit 9A, Central Trading Estate, SO14 5JP. Open Monday to Friday 7am–5pm and Saturday 7am–12pm.

If you change your mind, spiral anchors from Renders World can be sent back in original condition within 14 days, as set out under cancellations and returns.

When the WK-DS085 Is the Right Choice

• Good fit — light, non-structural items up to 5 kg on polystyrene insulation, for example boards from the EPS insulation boards range.
• Shorter option — where you want a 50 mm body, the WK-DS050 spiral anchor matches it in everything but length.
• Wrong tool — structural loads, and shutters, blinds or awnings that move in the wind; fix those into the wall behind the insulation.

FAQ — WK-DS085 Spiral Anchor

Technical Documentation for the WK-DS085

• Klimas WK-DS product page and product data sheet — both lengths, intended use and fitting.