Xtratherm 140mm Thin-R PIR rigid foam insulation board delivers exceptional thermal performance in a compact format, ideal for timber frame construction where depth is critical. With a lambda value of 0.022 W/mK, this product achieves superior energy efficiency while maintaining structural compatibility with standard timber frame spacings.
Key Features
- Lambda value: 0.022 W/mK for optimal thermal resistance
- Dimensions: 2400 x 1200 x 140mm per board
- Closed-cell PIR foam construction with low moisture absorption
- Integrated vapour control properties for timber frame applications
- CE marked and NSAI certified performance