breathable waterproof membrane synthetic roofunderlayment roof felt

The main function of the breathable roof membrane is to reduce the amount of heat lost by air leakage through the ceiling and from the loft space to the outside.

can be laid directly onto insulation and allows it to be used at full rafter height. As a wind protective material it does not allow heat to be drawn away from the insulation.

"? Made by two layers of non-woven fabrics and one layer of microporous polymeric membrane in the middle. The three layers are thermally laminated without using any chemicals such as glues.Outer layer forms functional waterproof surface Middle layer breathable waterproof membrane Inner layer protects from abrasion and damage, also giving additional strength

I am Mr. Clock, contact me at sales(at)