Celotex CW4000

Celotex CW4000 is an insulation board aimed specifically at partial fill cavity wall applications to help provide the building with excellent quality of insulation. With low emissivity foil facings, CW4000 is manufactured from a rigid polyisocyanurate (PIR) Insulation Board that is suitable for use in extensions and new builds. CW4000 uses a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential (GWP) and reliable energy savings that are long-lasting for all buildings.

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