he PIR Insulation Board 2400 x 1200 (Celotex or equivalent) is a high-quality rigid polyisocyanurate insulation board designed to deliver excellent thermal performance with a low lambda value of 0.022 W/mK. Suitable for a wide range of construction applications, this board is ideal for roofs, walls, and floors in both new build and refurbishment projects.
Manufactured with low emissivity foil facings, the board enhances thermal efficiency within cavity air spaces, helping to reduce heat loss and improve overall energy performance. Its lightweight, easy-to-cut design with a foil grid ensures quick and hassle-free installation, making it a popular choice for lightweight steel frame commercial and industrial buildings.
This PIR insulation helps achieve compliance with Part L 2010 Building Regulations, offering long-term energy savings and improved building efficiency.
Key Features & Benefits
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Material: Rigid Polyisocyanurate (PIR)
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Thermal Performance: Low lambda value of 0.022 W/mK
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Facings: Low emissivity foil facings for enhanced insulation
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Applications: Suitable for roofing, floors, and walls
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Compliance: Supports Part L 2010 Building Regulations
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Energy Efficiency: Helps reduce heat loss and energy costs
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Ease of Installation: Lightweight and easy to cut with foil grid
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Ideal For: New builds, refurbishments, commercial & industrial steel frame buildings
Available Thicknesses
25mm | 50mm | 75mm | 100mm | 120mm | 150mm





