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
- Low emissivity foil facings on both sides
- BBA approved
- 11 Sheets per pack