breathable waterproof membrane synthetic roofunderlayment roof felt

Protect your buildings with waterproof, breathable wall membrane. Kangda Breathable Membrane totally impervious to wind, rain, sleet and snow, while still remaining breathable, which allows moisture that builds-up within your house to escape.

Kangda is equally suitable whether draped unsupported over rafters or laid directly over insulation. It will allow the escape of water vapour from within the roof structure whilst protecting against wind driven rain, snow and dust, which may penetrate the main roof waterproofing, providing a permanent quality breather underlay, which will last the life of the roof construction.

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.

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