Celotex has launched two polyisocyanurate insulation boards that achieve complete Class 0 fire performance compliance

The FR4000 and CG4000 enable builders to achieve demanding fire performance across applications such as hospitals and schools. Both FR4000 and CG4000 boards comprise a rigid polyisocyanurate foam core with low emissivity textured aluminium foil facers that allow for greater thermal performance. Celotex says as a result some applications may require up to 5mm less product. FR4000 is aimed at walls and pitched roofs. It is available in thicknesses of 25-90mm. CG4000 is suitable for partial fill cavity wall applications and is available in 40-80mm thicknesses and in 1200 x 450mm board sizes.



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