Permavent Enviro Class B Fire is a high-performance insulation roll engineered for demanding building applications requiring superior fire resistance and thermal efficiency. This 1.5m width × 50m length roll delivers consistent lambda values whilst maintaining excellent vapour control properties, making it suitable for timber frame construction and mixed-use building systems.
Key Features
- Class B fire rating providing enhanced fire performance in building applications
- Lambda value optimisation for superior thermal efficiency and energy performance
- Vapour control layer integration for moisture management and durability
- 1.5m × 50m roll format enabling efficient installation across large areas
- 120g/m² density specification ensuring structural integrity and performance consistency