waterproof breathable pitched roofing underlay
Three layer structure
Made by Polypropylene
Mositure permeable & Waterproof
UV resistanct, good tearing
light weight, easy to install


Breathable membranes allow the roof to breathe, negating the requirement for traditional ventilation. They are suitable for use as a full supported or unsupported underlay beneath tiled or slated pitched roofs, in warm or cold non-ventilated and cold ventilated roofs.

Breather membrane and breathable roofing felt are key components to modern, efficient roof design. These membranes and felts are designed to be permeable to allow water vapour to exit a roof space, while contributing to the protection of the roof and its timbers from wind and rain.

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