Breathable Waterproof Roof Membrane

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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: The overall rigid waterproof layer is often due to these small structural nodes handled properly, resulting in the failure of the entire roof waterproof.

Q: Find the construction steps for waterproof coatings: 3, note (1) rain weather and five wind above the weather shall not be construction. (2) coating waterproof layer shall not have bottom leakage, cracking, holes and other defects and peeling, bubbling, carcassing and wrinkle phenomenon. Coating waterproof layer and the base should be bonded between the solid, no hollowing, trachoma, delamination and so on. (3) the coating site should be continuous, solid, shall not appear Alice, hollowing parts. (4) rigid protective layer before the completion of any personnel shall not enter the construction site, so as not to damage the waterproof layer; coating of the overlapping parts should be care by the staff. (5) roof should be used lime soil, clay or sub-clay for backfill, thickness 50 cm, backfill shall not contain stones, gravel, ash and organic matter. Artificial compaction of each layer 25 cm, mechanical compaction of each layer 30 cm, rammed to prevent damage to the waterproof layer. In the backfill thickness of more than 50 cm, it is allowed to use mechanical backfill rolling.

Q: What material is used for waterproofing of tarpaulin: Regardless of the construction or finished products are toxic, due to organic materials, it will form a separation layer, partition structure of poor wear resistance, must be a protective layer of solid, not hollowing, but requires the base surface moisture content of less than 8% overlap requirements No interface to form a seamless body thickness control easy to control the local thickness difficult to control

Q: How does the finished ventilator manufacturer waterproof?: Rooftop natural ventilator waterproofing measures are mainly two kinds, one is the traditional silicone, adhesive tape waterproof, the other is the structure of water, the national standard Atlas 11CJ33 "ventilation and light skylight" recommended the use of structural waterproof technology.

Q: Hello, roof with SBS waterproof material bulk density is how much?: As the SBS coil finished with pure asphalt is not the same, the coil includes a variety of surface material weight. The following is the different types and different thickness of the SBS coil unit area weight, due to the need to lap and pave the reinforcement layer, calculate the load in the following unit area weight, the general multiplied by 1.2 coefficient.

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: What should you pay attention to before the construction of the basement waterproofing membrane?: 4, the preparation of finished products: according to the pavement area required to calculate the semi-finished products, the required slurry and prepolymer were lifted to the console, according to batch release neatly. Place the desired vinyl particles and catalyst into the appropriate position on the table.

Q: Why should the use of high pressure perfusion waterproof plugging method: Due to uneven settlement of buildings and other factors, resulting in deformation of the building structure cracking, leakage phenomenon, for the repair of this situation, you can use a new foreign plugging construction technology - high pressure grouting waterproof repair technology.

Q: How can the toilet waterproof works fail?: Use 755 new waterproof material can be painted three times. There is also a new type of waterproof material is water-like brush is also three times, you can go to the building materials market to see, you know.

Q: Roof sunscreen waterproof layer leakage, brush milk white plastic can solve it?: Can not If the roof of a large area of ??leakage or a number of water leakage points, the first professional staff to check whether the cracks, the first to deal with leakage cracks in the roof covered with waterproof membrane, to enhance the waterproof effect, you can also shop On the insulation board, because the height of the insulation board in 20 cm or more, to achieve the protection of waterproof layer and thermal insulation of the double effect. Do not use the roof of the insulation board, you can consider the use of steel mesh mixed soil. Wall cracks caused by cracks in the water, under normal circumstances the professional construction team will use the basket, by the maintenance staff in the external wall construction. Large cracks can be used to plug the king, a small crack can be used to seal the glass glue, repair with a wall waterproofing agent, after spraying a few words on it.

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