Breathable Waterproofing Membrane for Timber Frame

Breathable Waterproofing Membrane for Timber Frame

Thanks to the prominent waterproof performance, "KangDa" breathable membrane can wrap building tightly, protect the building from corrosion of water vapour and rain, guarantee good insulation performance and well durability of building enable the building to be more energy conservation and environmental protection.

However if no membrane was used, then externally generated impurities, wind-driven rain and dust for example, may penetrate the wall or roof internal structures causing damage and poor performance. The job of a breather membrane is to stop these impurities from adversely affecting the building, but in order to carry out this task without suffocating the building, they need to be breathable. If polythene was used for example as an external protection lining, then this would make a great barrier against adverse external environmental conditions, but naturally occurring moisture produced from within the building would quickly become trapped in the interstitial layers causing untold damage.

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.?

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