Breathable Waterproof Roofing Underlayment

Breathable Waterproof Roofing Underlayment System 1

Breathable Waterproof Roofing Underlayment System 2

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: Bathroom first leveling or do waterproof, what is the difference: 5. backfill rough flat mortar leveling, and its slope and do waterproof with the grassroots level and grass-roots waterproof, not tired. But pay special attention to this layer of closed water test (for most of the lack of toilet in the ground) is more important. 6. The surface layer and the adhesive layer, requires the slope has been done to slope or squatting, wall tiles to cover the tiles, reduce water into the wall.

Q: A complete set of basement waterproof construction program: 2.2 site preparation 2.2.1 external wall of the pull bolts should be cut off in advance, wooden blocks removed after the use of cement mortar smooth. 2.2.2 grass-roots should be clean, concrete joints processing flat, made at the corner of the yin and yang ...

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: What material waterproofing can be mixed with cement sand: Construction can also be used to produce waterproof pulp, waterproofing agent for the amount of cement 3 ‰ -4 ‰, the use of cement label not less than 32.5MPa.

Q: How does the finished ventilator manufacturer waterproof?: do not play any silicone and tape, to avoid the silicone tape aging caused by leakage hazards. Can be done once and for all.

Q: Js waterproof coating without powder can brushing: 5. Coating maintenance: JS cement-based waterproof emulsion coating construction after 24 hours after the end with a damp cloth to cover the coating or spray water to maintain the coating, usually 2-3 days; air humidity, poor ventilation of the local dry The time period may be longer, and vice versa; 6. Check the construction of JS waterproof coating (closed water test): bathroom, pool and other parts in the JS cement-based waterproof emulsion waterproof layer after dry (at least 24 hours in summer, at least 48 hours in winter) stored water for 48 hours to see the water Construction is not qualified. Light wall must do the water test. JS waterproof coating See the amount of: under normal circumstances, the amount of about 0.6-1kg / ㎡, the actual amount from the use, the use of parts, rough surface roughness, environmental factors such as the decision.

Q: There is no formaldehyde in the finished putty: The current status of the market to buy regular manufacturers out of semi-finished products putty and formaldehyde has nothing to do, because the status quo countries also hit the product containing formaldehyde in the building materials, the current market traffic is relatively large for the water putty, putty powder which is natural mineral powder And water-based glue synthesis, because the product life long-term pollution-free, so that is impossible to contain formaldehyde, but engineering putty is usually on-site modulation, and in order to increase the adhesion of putty powder inside the addition of a large number of construction glue (Containing formaldehyde).

Q: Roof for the insulation, Master roof, using two waterproof construction program: Third, security measures 1, firmly establish the "safety first, prevention first" safety production policy. Before the operation, the site management personnel must be to the operation team to carry out security technology to the end, and actively carry out pre-class security activities, security personnel check, supervise. 2, the roof around the poles outside the scaffolding (protective railings), roof construction is strictly prohibited removal. 3, roof construction, debris and other materials is strictly prohibited from the roof directly down throwing. 4, storage of coils and adhesives warehouse or site to prohibit the fireworks, for the use of fire, there must be fire prevention measures, and should set a certain number of fire extinguishers and sand bags. 5, oil drums should be flat, not two carrying, in the transport process, pay attention to balance, the spirit to focus, to prevent accidental fall caused harm. 6, transported to the roof of the material, should be scattered on average, with the use of transport, not concentrated stacking. 7, the use of torch, you should clear the surrounding flammable items, must be away from the base of oil, is strictly prohibited in the brush base oil area using the torch. Torch petrol should not be over full, cheer should not be too much, in the fire site must be equipped with fire equipment.

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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