Celotex XR4000 is targeted at ‘cut-to-fit’ applications between rafters or joists & enables users to achieve lower U-values with a single layer of insulation than has previously been possible. XR4000 is also appropriate for use in floors & walls. With Celotex XR4000 you are purchasing an insulation board that: • Is suitable for use in a number of applications including roof wall & floor systems • Provides the thickest PIR insulation available from stock within the market • Is certified under BBA certificate numbers 95/3197 & 09/4667 • Helps meet the current & future requirements of Approved Document L & Section 6 BREEAM & The Code for Sustainable Homes •
Includes:: low emissivity foil facings giving enhanced thermal insulation performance within cavity air spaces • Provides reliable long-term energy savings for buildings