Breathable Waterproof Roofing Underlayment

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Breathable Membrane



1), Introduction of  breathable membrane

  1.    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

  2.    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.

  3.    Breather membrane may also serve as an air barrier if it is sealed carefully at seams.

  4.    Breathable Membrane have good "water resistance", good "water vapor permeability", and good "air barrier properties".

2) breathable membrane  Specification
13-layers laminatedPP nonwoven+PE film+PP nonwoven
2Products range80g,90g,100g,120g,140g,160g/m2.
3Roll size1.5m x 50m
4Water resistantClass W1
5SD-value0.02m
6Vapor permeability>2250g/m2/24h
7UV resistant>3month
8Test to EN13859-1Pass -- CE mark available

3)Key Features of breathable membrane :

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




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Q:Do you use the waterproof material on the building to be harmful to the human body?
If you are out of the finished line, the best anti-static that can! I plant is the production of waterproof material, in addition to the internship when I went to the workshop, and now I do not go!
Q:What is the car waterproof sticker material?
C. metal technology and other: metal technology refers to the aluminum plate and other metal plate through the machine to suppress the concavity and convex surface, and then made of metal paint color, and finally after grinding, drawing and other production of the car stickers (car standard); Area can not be too large, can only be used for a small range of iconic car stickers.
Q:Slope roof drains do not need to be waterproof
In addition, according to conventional settings vertical and horizontal sub-grid, complex structure easy to leak.
Q:Developers have done waterproof, decoration house also have to do it
so, in your house When the decoration, or should do a waterproof treatment.
Q:Rigid (concrete) waterproof roofing shop SBS coil can brush a layer of waterproof paint before?
First, rigid (concrete) waterproof roofing SBS membrane should not be painted before the coating of any waterproof coating, otherwise it will damage the bonding strength of the coil and the grassroots.
Q:Waterproof mortar expensive or dry mortar expensive
Waterproof mortar more expensive. Because waterproof mortar compared to dry mortar, to add another waterproofing agent, emulsifier and other substances. Waterproof mortar regardless of the cost or transport are more cost-effective.
Q:What is the car material so that the car can be waterproof, in the rain will not leak in?
 B. printing, inkjet, photo, screen printing and other technology: refers to the computer will be vector or pixel images into the machine, the machine in accordance with the graphics inkjet or screen technology will color ink printing or screen in a transparent or white base film, And then through the cutting edge along the edge of the pattern; at present most of the manufacturing enterprises (such as motorcycles, electric bicycles, etc.) mass production car stickers are used screen printing process;
Q:Finished house bathroom waterproof household acceptance should be how to accept?
3: waterproof cement mortar leveling layer and foundation with dense, no hollowing, smooth surface, no cracks, from the sand, yin and yang angle made of circular arc.
Q:Oriental rain rain waterproof how to
1, the East Yuhong waterproof coating quality assurance In the national waterproof products and technology market, rain rain waterproof material is unique, is the product of long-term demand for professional waterproof brand, long-term dominate in the waterproof market.
Q:Js waterproof coating without powder can brushing
impossible. JS waterproof coating must be added cement, because this waterproof coating with a certain proportion of cement. 1. JS plastic waterproof coating before the construction of the base surface treatment: the base must be strong, clean, smooth, moist; base surface pores, cracks and other shortcomings, first to use cement mortar to achieve the role of repair smooth; Angle to use the knife to use this tool to repair the shape of the semi-fillet; to ensure that the base surface is full of moisture, but no water;

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