super diffused roof membrane / high perm house wrap underlay

Because the roof membrane has not only the function of breathable, but also the function good waterproof. As the polypropylene spunbond fabric is water repellent itself, the water drop will not be absorbent by the membrane, but will keep it as round water drop and fall off the roof. So the spunbond roofing membrane is the best choice for this roofing membrane, and it is very cheap compare to other material.?

"Breathable membranes let your roof breathe, whilst keeping dust out, and are an essential part of modern roofing. Usually used in conjunction with vent tiles and fascia vents.

With unique fiber structure, the waterproof breathable membrane can protect the construction structure from being eroded by wind and rain and strengthen the gas tightness and water tightness as well as boast good breathability which expel water vapour out of the construction, thus avoiding mould and condensation.

I am Mr. Clock, contact me at: ntkdfh03(at)vip(dot)163(dot)com