90mm Celotex GA4090 PIR Insulation Board 2400x1200mm

90mm Celotex GA4090 Insulation Board 2400x1200mm is a High Performance Rigid PIR Insulation Board. Celotex GA4090 90mm is suitable for a variety of applications, including roof, wall and floor insulation. This multi-purpose PIR Insulation board is one of our biggest selling products due to is diversity in application and it also achieves an A rating when compared to the BRE Green Guide.The General application range of Celotex products are split in to three size categories TB3000 12mm - 40mm GA4000 50mm - 100mm XR4000 120mm - 200mmThese are all essentially the same product but with varying thicknesses of Insulation Board. Celotex Insulation boards are made from a expanded Polyisocyanurate (PIR) insulation foam with a foil facing to both sides.SpecificationLength: 2.4m. Width: 1.2m. Coverage: 2.88m2. Thickness: 90mm. Weight per m2: 3.31kg Weight per board: 9.53kg rValue: 4.05m2K/W. Thermal conductivity: 0.022 W/mk - BS EN 12667. Compressive strength: 140kPa - BS EN 826. Water vapour resistance: >150MNs/g - BS EN 12086: Method B. Spread of flame: Class 1 - BS 476-7.Lambda Value = 0.022 Thickness = 90mmPlease note : Due to recent national shortages of PIR insulation, We now offer Celotex, Ecotherm, Recticel and Iko to help to offer a speedy delivery. You may be offered an alternative brand due to local stock availability.