Xtratherm PIR + PB rigid foam insulation board with 62.5mm thickness delivers superior thermal performance with an integrated polyester vapour barrier. Designed for high-performance building envelopes, this product combines excellent lambda values with inherent fire resistance properties suitable for demanding construction applications.
Key Features
- Lambda value: 0.023 W/mK for optimal thermal efficiency
- Integrated polyester barrier (PB) for vapour control and moisture management
- Enhanced fire performance characteristics for safety-critical applications
- 62.5mm thickness for precise specification and building detail compatibility
- Rigid foam construction ensuring dimensional stability and ease of installation