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Quick Details

  • Type: Waterproof Membrane
  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: KangDa
  • Model Number: KDBG145
  • Color: Grey,Blue,Black
  • Keyword: breathable roof underlayment
  • Main material: polypropylene
  • Weight: 80gsm-200gsm
  • Paper core: 2 inches

Packaging & Delivery

Packaging Details PE wrap or pallet packing
Delivery Time Shipped in 15 days after payment

watertight roof tiles roofing underlayment membrane building wrap housewrap

Water vapour Permeable Breather membrane used for pitched roofing underlayment or steel construction. 
Feature: Good tearing strength, waterproof, good breathability, soft handle, heat insulation 
Excellent performance of breather membrane allows vapour to pass through while keep water or rain outside, it can keep the construction structure dry and long term usage.
Constructed from high tensile spun-bonded polypropylene layers 
Highest levels of water resistance 
Full moisture vapour permeability 
Breathable underlay for tiled and slated pitched roofs 
Eco-friendly to be completely recyclable. 
UV resistant 
Others as buyers requirements roofing underlayment membrane

Breathable roofing membrane used  under tiles and sheeted roofs, over open rafters or on to fully boarded substrates.

 Breathable roofing underlay positioned immediately above the insulation layer in a warm pitched roof, or in a cold pitched roof (ventilated or unventilated).









Production Process2











Related Products

Butyl Tape                           Breathable Tape           


Roof Vapor Barrier:

PET Aluminium film               Aluminium foil 





Exporting Manager: Ms Jean




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China (Mainland) | Manufacturer
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The supplier’s transactions conducted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $128,000
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