Celotex XR4000 is a multi purpose insulation board enabling users to achieve lower U-values with a single layer of insulation than has previously been possible.
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Celotex XR4000 is a high quality insulation board targeted at cut to fit applications to be used between rafters and joists.
This board helps users achieve lower U-values with just a single layer and is appropriate for flooring and walls.
This insulation board provides the thickest polyisocyanurate (PIR) rigid foam board available on the market which delivers incredible thermal insulating properties.
Helps meet the current and future requirements of Approved Document L and Section 6, BREEAM and The Code for Sustainable Homes
Includes low emissivity foil facings giving improved thermal insulation with cavity air spaces
Future proofs the energy performance of new and existing buildings
Is suitable for use in a number of applications including roof, wall and floor systems
Provides the thickest PIR insulation currently available from stock within the market
Is certified under BBA certificate number 95/3197 and 09/4667
- BRE Ecopoints:
- BR 443:2006
- 3rd party Accreditation:
- BS 476-21:1987, BS EN 1996-2:2006, BS EN ISO 6946:2007
- Approval in SAP 2009, Appendix K and iSBEM
778049 - 1200 x 2400 x 110mm
778050 - 1200 x 2400 x 120mm
778051 - 1200 x 2400 x 130mm
778052 - 1200 x 2400 x 140mm
778053 - 1200 x 2400 x 150mm
778054 - 1200 x 2400 x 165mm
778055 - 1200 x 2400 x 200mm