Breathable Waterproof Roofing Underlayment

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Breathable Membrane

1), Introduction of breathable membrane

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 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 :

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: In addition, according to conventional settings vertical and horizontal sub-grid, complex structure easy to leak.

Q: Eastern rainbow waterproof how to do: especially small places to pay attention, such as: sewer such as. And then dry about 10 hours or more, (see the environment may be, like a dry) so repeated 3 side painting is appropriate.

Q: Roof membrane waterproof construction process, what should be noted that?: Coil ply attention Paving direction, slope less than 3%, parallel and roof paving, slope greater than 15% or roof vibration, perpendicular to the roof paving. Slope between 3% to 15%, can be parallel to the vertical; membrane waterproof roof slope should not be greater than 25%. The upper and lower layers may not be piled on each other.

Q: Home improvement waterproofing problem: 1, you said the above three products are old products. It is recommended to use the latest dosage form of cf-2000 efficient composite waterproofing agent, is the latest cement-based crystalline products. Not only then to solve the leakage problem, and the composite waterproof agent in the active material in the water or moisture under the action, but also continue to penetrate into the concrete layer. The formation of 10 cm from the self-waterproof layer. If the self-waterproof layer due to external factors caused by small cracking, as long as there is water through, you can start the active substance of the secondary repair function, to automatically repair the crack water seepage.

Q: Do you use the waterproof material on the building to be harmful to the human body?: Of course harmful, not just this particle, there are auxiliary materials are also toxic.

Q: Self-built concrete house finished three years after the use of large-scale housing wall leakage how to do?: Need to waterproof the external walls, there are several programs. First, directly in the existing external walls of the main surface of the water treatment, the use of technology and materials due to different external finishes and different;

Q: There is no formaldehyde in the finished putty: In addition, the addition of redispersible latex powder in the putty powder will make the putty have stronger adhesion and mechanical properties, outstanding water resistance, permeability, as well as excellent alkali resistance, abrasion resistance, and can improve water retention Sex, increase the opening time, enhance the durability.

Q: Villa roof leakage what general reasons, what materials to remedy: Third, for some of the city building cover the construction of red tiles leakage, as long as the removal of tiles on the grass, moss or dust after the replacement of tiles, leak-proof effect is the same. For flat roofs, the roof of the obvious cracks, with the tool will be cracked into a "V" or "U" shape, filling the caulking ointment, filled with cracks and above the use of waterproof wrap around the package.

Q: How can the toilet waterproof works fail?: After the failure of the bathroom waterproofing project to solve the specific needs of the specific analysis of targeted treatment. ??????? Bathroom waterproof is the problem more decoration works. The main reasons are: 1, construction (local, details, etc.); 2, waterproof material problems; 3, the structure (such as uneven settlement, cracking, etc.); 4, to save a little waterproof waterproof measures. ???????? After the three must be redo waterproof, the first type of reasons can be used to the appropriate remedial measures, pay the table "bathroom waterproof failure part of the phenomenon and the remedy list." ??????? Please responsible professionals in the field to carefully check the judge to find specific reasons for dealing with the need to destroy the red or must be destroyed, do not affect others after causing greater losses. The following are the same as the "

Q: What are the materials used in the ceiling?: Kitchen bathroom ceiling material 2: aluminum plate material ????Aluminum buckle board is based on aluminum alloy as the main substrate, through the process to get the finished product, and now the aluminum plate in the use of integrated ceiling in the larger. In the home improvement specifications are generally 300MM * 300MM, 300 * 450mm, 300 * 600mm and other different sizes, because of its excellent board layer, with noise, heat insulation, light weight characteristics, while its color is also more Kind of choice, to meet the different needs of consumers.

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