25mm PIR Board 2400mm x 1200mm

25mm rigid PIR insulation board, supplied in 2400mm × 1200mm sheets with aluminium foil facings on both sides. Manufactured to BS EN 13165 with a typical thermal conductivity (lambda) of 0.022 W/mK. The 25mm board is most often used for thin upgrade applications: insulating behind dot-and-dab plasterboard, lining out cold spots, topping up an existing wall build-up, or as a thin layer between battens. Lightweight, dimensionally stable and easily cut on site. Sold per sheet.

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