Permavent Envirotect Class B Fire Walling Membrane is a class B-s1,d0 fire rated membrane for use in walls.
It also provides high vapour permeability and superior water resistance. Envirotect Class B-s1,d0 Fire Walling Membrane can be used in all walling applications and has been specifically designed and developed for use in timberframe, light steel gauge, modular building and high rise construction.
Envirotect Class B-s1,d0 Fire Walling Membrane delivers first line protection to the external of the building during construction against driving rain, and wind-blown snow providing ultimate protection to the interior of the building.
The high-water vapour permeability provided from Envirotect Class B-s1,d0 Fire Walling Membrane ensures water vapour can pass through the structure safely into a vented cavity.
Developed and manufactured by Permavent using the latest technologically advanced methods available, Envirotect Class B-s1,d0 Fire Walling Membrane assures a high specification, class leading product solution.
Suitable Envirotect Class B-s1,d0 Applications:
- Light steel gauge
- Modular building
- High rise construction