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🧱 Polystyrene EPS Graphite 50mm (500×1000 mm) – High‑Performance Thermal Insulation Board
Polystyrene EPS Graphite 50mm in 500×1000 mm panels is a premium thermal insulation board engineered for excellent energy performance in modern construction and external wall insulation (EWI) systems. With advanced graphite technology, this EPS board delivers enhanced thermal resistance, making it ideal for UK residential, commercial, and retrofit projects.
Lightweight, moisture‑resistant, and easy to install, graphite EPS insulation boards help reduce heat loss, improve comfort, and support energy‑efficient building design.
🧠 Key Features & Benefits
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Graphite‑enhanced thermal performance – Superior to standard white EPS
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Low thermal conductivity (~0.033 W/mK) – Improved energy efficiency
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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 uptake and mould
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Durable & long‑lasting – Consistent performance over time
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Standard panel size 500×1000 mm – Easy handling and installation
📍 Applications
Polystyrene EPS Graphite 50mm (500×1000 mm) boards are suitable for:
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External wall insulation (EWI) systems
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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: 50 mm
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Panel Size: 500×1000 mm
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Thermal Conductivity (λ): approx. 0.033 W/mK
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Colour: Grey (graphite)
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Board Type: Rigid insulation panel
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Installation: Mechanical fixings and/or adhesive
🔎 Why Choose Graphite EPS
Graphite EPS offers up to 20% better thermal efficiency than white EPS at the same thickness, making it a cost‑effective and space‑saving solution for high‑performance insulation in UK building applications.