Breathable Roof Felt

Specifications

This product in a high performance vapour permeable roofing underlay for use in warm or cold pitched roof constructions.

Specifications

breathable roofing fabric / breathable roof felt / pitched roof underlay / waterproof breathable membrane for pitched roof

 

1), Introduction of Waterproof Breathable Membrane 

1.         Breather membrane functions as a weather-resistant barrier, preventing rain from getting into the roof or wall assembly while allowing water vapor to pass to the exterior. 
2.        Breathable Membrane have good "water resistance", good "water vapor permeability", and good "air barrier properties".
3. Breathable Membrane is a water resistant membrane but with high vapour permeability, use as diffusion open roofing felts under pitched roof tile or vapour permeable barrier housewraps on timber frame walls
4.  Breather membrane may also serve as an air barrier if it is sealed carefully at seams.

2),Photos of Breathable Membrane