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🧱 Polystyrene EPS Graphite 90 mm (500×1000 mm) – High‑Performance Thermal Insulation Board
Polystyrene EPS Graphite 90 mm in 500×1000 mm panels is a premium thermal insulation board designed for excellent energy performance in modern construction and external wall insulation (EWI) systems. With graphite‑enhanced insulation properties, this board delivers superior thermal resistance, helping reduce heat loss and increase energy efficiency in residential, commercial, and retrofit projects throughout the UK.
Lightweight, moisture‑resistant and easy to install, this graphite EPS insulation board is ideal where performance and durability are required.
🧠 Key Features & Benefits
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Graphite‑enhanced thermal performance – Better insulation than standard EPS
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Low thermal conductivity (~0.031 W/mK) – Helps reduce heat loss
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Lightweight & easy to install – Quick cutting and fixing with standard tools
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Moisture‑resistant closed‑cell structure – Limits water absorption and mould
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Standard panel size 500×1000 mm – Convenient handling and installation
📍 Applications
Polystyrene EPS Graphite 90 mm (500×1000 mm) boards are suitable for:
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External wall insulation systems (EWI)
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Under‑render insulation
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Internal wall insulation
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Timber frame wall insulation
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Retrofit and new build projects
📊 Technical Specifications
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Material: Expanded Polystyrene (EPS) with graphite additive
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Thickness: 90 mm
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Panel Size: 500×1000 mm
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Thermal Conductivity (λ): approx. 0.031 W/mK
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Colour: Graphite grey
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Board Type: Rigid insulation panel
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Installation: Fixed with adhesive and/or mechanical fixings
🔎 Why Choose Graphite EPS
Graphite EPS boards offer up to 20% better thermal efficiency than traditional white EPS boards at the same thickness. EPS Graphite 90 mm is a great choice for applications where strong insulation performance and energy savings are priorities.