Celotex CW4000 PIR Cavity Wall Insulation Board 1200mm x 450mm x 50mm
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This PIR CW4000 wall insulation board by Celotex is thermal insulation for partial cavity walls. It comprises a polyisocyanurate rigid foam core finished with low emissivity aluminium foil facing sheets. The board is manufactured with agents that have zero ozone depletion potential (ODP) and zero global warming potential (GWP).
Convenient sized boards for installation between cavity wall ties
Improved thermal insulation performance within cavity air spaces
Thermal conductivity of 0.022W/mK
A+ rating when compared to the BRE Green Guide 2008