waterproof breathable foil roofing underlay membrane

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US $0.2-0.4 / Square Meters | 10000 Square Meter/Square Meters (Min. Order)
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Quick Details
Place of Origin:
Jiangsu, China (Mainland)
Brand Name:
Model Number:
Waterproof Membrane
Basic Weight:
water resistance:
roof underlay or house wrap
100000 Square Meter/Square Meters per Day
Packaging & Delivery
Packaging Details
PE wrap for free loading, over 2000 rolls in a 40'HQ
Pallet packing can be customized
Lead Time :
Shipped in 15 days after payment
Company Information

Nantong Kangda devotes roofing membrane since 2004, and after ten years of development, we have explored many kinds of composite membranes to meet varied market demand.

As Chinese first factory of breathable membrane, Nantong KangDa has been well known by both Chinese and European customers. We have the advanced technology and equipment from Italy. KangDa Brand breathable membrane quality now is on the top of China and the world.

Now our membrane have exported to many countries, such as Canada, USA, UK,and most of the South European. Stable quality is key to keep our customers for long term,and continous innovation is our weapon to stand on the top of market. We have a group of excellent senior management to control cost, hi-tech R&D personnel and skilled workers to ensure product quality, so competitive price and advanced quality can be combined together in our product.




breathable membrane

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. In this way, the functions of construction can be well protected, which guarantee the energy saving and durability and good living environment. Furthermore, the waterproofing membrane has low cost and small weight, ect and is now waterproof rolls which are easy to apply.


KDBG150 breathable membrane is a synthetic roof underlay membrane, made of polypropylene. It is a functional membrane, it main function is to make the roof or wall breathable. The membrane is not only breathable, but also waterproofing. Because of this function, it can allow moisture to get out of roof or wall easily, and when the moisture meet cold tiles or shingles, it will be condensation as water-drop, and flow away on the breathable membrane, thus keep the inside insulation dry, avoid wet or mouldy.


Breathable membrane is a 3 layer structure, both side of non-woven fabric is water resistant, but breathable, the middle layer is the functional breathable film; it is 100% waterproof, and 1000-2000g/24h.m2 moisture permeability.






1.      Breathable membrane protect the thermal isolation of the roof/wall against unfavorable impact of environmental factor that might penetrate the external covering.(rain, snow, dust)

2.      Breathable membrane ensures the windproof of the roof/wall (prevents the loss of heat from the isolation layers caused by air circulation.)

3.      Micro-perforation permeates vapor to the outside, ensure the dryness of the isolation layer.(only dry isolation functions properly)

4.      Complete waterproofing, the membrane prevent the penetration of water from condensation or leaking in the covering.

5.      Resistant to mechanical damage (stretch and tearing)

6.      Stabilized, conforming to EU standards, resistant to UV radiation and excess temperatures.

7.      Does not propagate fire.

8.      Safe for environment and recyclable.



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Exporting Manager: Mr.Clock Rise




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