Xtratherm Thin-R PIR rigid foam insulation board engineered for timber frame construction, delivering exceptional thermal performance in a compact 25mm thickness. This closed-cell polyurethane product combines high insulation value with minimal depth, ideal for space-constrained applications requiring superior energy efficiency.
Key Features
- Lambda value: 0.022 W/mK for optimal thermal resistance
- Rigid PIR foam construction with excellent compressive strength
- Dimensions: 2400 x 1200 x 25mm per board
- Fire rating: Euroclass B-s1, d0 (limited smoke and flaming droplets)
- Vapour control properties suitable for timber frame vapour management strategies