Vapour Permeable Waterproof Felt Fabric Rolls

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Breathable Membrane is a water resistant membrane but with high vapour permeability, use as diffusion open roofing felts under pitched roof tile or vapour permeable barrier housewraps on timber frame walls
Breather membrane functions as a weather-resistant barrier, preventing rain from getting into the roof or wall assembly while allowing water vapor to pass to the exterior.
Breather membrane may also serve as an air barrier if it is sealed carefully at seams.
Breathable Membrane have good "water resistance", good "water vapor permeability", and good "air barrier properties".

2) breathable membrane for pitched roof Specification

1	3-layers laminated	PP nonwoven+PE film+PP nonwoven
2	Products range	80g,90g,100g,120g,140g,160g/m2.
3	Roll size	1.5m x 50m
4	Water resistant	Class W1
5	SD-value	0.02m
6	Vapor permeability	>2250g/m2/24h
7	UV resistant	>3month
8	Test to EN13859-1	Pass -- CE mark available

3)Key Features of breathable membrane for pitched roof

1	CE certificated, high quality with competitive price
2	Waterproof & vapour permeable
3	Excellent tensile and nail tear strength
4	Good flexibility and ductility
5	Light weight and thin, slip-resistant surface
6	Simple handling and easy to use
7	Energy saving
8	Long term durability
9	Totally recyclable
10	For both wall and roof applications

Q: Slope roof drains do not need to be waterproof: When installing a waterproof board, when the width of a waterproof board is not enough, to be placed side by side, it should be noted that the gap between the board and the plate will provide potential space for root growth.

Q: What is PE waterproof cloth and PVC tarpaulin: The characteristics and performance index of waterproof cloth products 1. Tensile strength index: warp strength ≥ 2100N / 5CM, zonal strength ≥ 1600N / 5CM; 2. No leakage of water, water pressure ≥ 2000MM water column; 3. Low temperature, cold temperature -20 ℃; 4 Can be mildew, mildew experiment for the first level. Product Usage 1. Can be used car, train, ship cargo tarpaulin; 2. It can be used for the open storage of the harbor airport at the station terminal harbor; 3. Can be set up temporary granary and a variety of crops covered with open-air; 4. Can be used for construction site power construction site and other sites to build temporary shed, temporary warehouse materials; 5. Can be processed camping with tents and various machinery and equipment outside the jacket.

Q: How to ensure the waterproof quality of the underground shear wall (retaining wall)?: 3, according to the hydrogeological conditions and outdoor environment type to take the appropriate level of waterproof concrete.

Q: Can acrylic materials be perforated? How to do waterproof after punching?: Or in the back with glass adhesive paste anti-corrosion nine PCT board (if the hole is flat, Anti-corrosion nine PCT is to remove the other side of the paste surface with asphalt anti-corrosion paint brush)

Q: Roof membrane waterproof construction process, what should be noted that?: Four do not: 1 surface can not afford sand 2 surface can not afford skin 3 surface is not crisp 4 does not crack

Q: Do you use the waterproof material on the building to be harmful to the human body?: Your pores, the respiratory tract, the lungs, will be hurt, when young do not feel out, the consequences more powerful than smoking.

Q: Hello, roof with SBS waterproof material bulk density is how much?: Similar to styrene-butadiene rubber, SBS can be in contact with water, weak acid, alkali, etc., with excellent tensile strength, surface friction coefficient, low temperature performance, excellent electrical properties, good processing properties, as the current consumption of the largest thermoplastic Elastomer.

Q: Nanning building waterproof material market where: Nanning this building waterproof coating does not seem to have a special market, waterproof materials like fast ring building materials market, Wan Tai Long have to sell, as well as Mingxiu Road and Mingxiu Road on both sides of the road have a heavy focus on waterproof materials and companies

Q: What are the key points and contents of the quality control of waterproof material?: 4, high-polymer modified asphalt waterproofing membrane: check the counterfeit effective and simple method is to cut the film wrapped down and then placed in the refrigerator freezer placed 3 hours after the removal, gently forced to break will be broken, and the national standard Require material low temperature flexibility to reach -20 ℃.