Celotex CW4000

High performance PIR insulation for partial fill cavity wall applications.

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As a high performance insulation board featuring low emissivity foil facings, Celotex CW4000 offers enhanced thermal performance as cavity wall insulation when compared to typical PIR products.

Celotex CW4000’s enhanced features deliver thinner solutions that meet target U-values as required by Building Regulations including Part L and BREEAM.

  • Board size: 1200 x 450mm
  • Thickness : 40-100mm
  • Lambda: 0.022 W/mK
  • Facer: Low emissivity foil facings

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Featuring low emissivity foil facings, Celotex CW4000 is a simple solution for partial fill cavity walls that:

  • Offers high performance PIR insulation with low emissivity foil facings offering enhanced thermal performance within cavity air spaces
  • Achieves an A+ rating when compared to the BRE Green Guide
  • Is certified under BBA certificate number 16/5343
  • Is available as a BIM object
  • Has zero ozone depletion potential (zero ODP) and low global warming potential (GWP)
  • Future proofs the energy performance of new and existing buildings‚Äč

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