PVC Waterproofing Membrane for Underground Leakage

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China main port
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Min Order Qty:
5000 m²
Supply Capability:
100000 m²/month

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Product Description:

Introduction of PVC Waterproofing Membrane:


PVC Self-adhesive Waterproof Membrane is a kind of synthetic polymer waterproof membrane which made from polymer self-adhesive polymer, uses Polymer sheet(PVC) as the original source. It has high tensile strength, perfect elongation, excellent resistance to punture and tear, the greatest feature the material is: Concrete can be pasted directly on the membrane surface, after the concrete has been setted, bond strength of membrane and concrete is greater than 2.0Mpa so as to solve the problem of membrane channeling water and leakage.

 

Features

1.High Tensile strength, excellent resistance to tear and puncture.

2.Strong adhesion with the concrete, effectively prevent the emergence of a single polymer sheet phenomenon of channeling water.

3.Lap with pre- self-adhesive side lap to ensure the seamless of waterproof system.

4.Perfect resistance to acid&alkali,weather and aging.

5.Simple operation, High work efficiency, Low cost.

6.Non toxic, tasteless and be environmentfriendly.

 

Scope of Application

  1. Large-scale underground structures.

  2. Surface of concrete slabs for planting.

  3. For Roads, Rails, Subway tunnels projects.

  4. For reservoirs, canals, dams and other water conservancy projects.

  5. For air defense, military facilities waterproof projects.

Construction technology

  1. Tunnels, bridges should use polmer sheet welding lap joints. Firstly, pre-paved polymer sheet side of polymer self-adhesive composite waterproof membrane toward the base, and fix it with dedicated pieces of machine, double lap weld seam welding machine should be used for lap joints. Tear off insulation paper, band reinforced concrete directly, self-adhesive waterproof membrane will adhere to the main body of concrete structure closely to achieve full adhesion.

  2. General building underground projects should use self-adhesive overlap method. Basement bottom: pre-laying the membrane on cushion firstly(polymer sheet face down), tear off reserved isolation paper of lap joints self-adhesive side and can be sealed when paste directly; tear off isolation paper of self-adhesive waterproof layer, structural concrete, the membrane will anti-stick to the concrete structure to form dense waterproof system.

  3. Basement side wall, Surface of concrete slabs for planting: attach the self-adhesive material side to the base surface directly, tear off reserved isolation paper of lap joints self-adhesive side. Side wall shall be fixed with dedicated pieces of machine.

  4. Half header treatment:Wether horizontal half header or vertical half header, which should be sealed with sealant, membrane in the elevation without groove half header, it shall be fixed with metal straps firstly, then seal the top hole of metal straps and fixed screw with sealant.

Specification of PVC Waterproofing Membrane:


No.

Item

Model 

1

Tensile Strength Mpa                          ≥ 

12.0

2

Elongation at break%                          ≥

250

3

 Shrinkage rate %            ≤

2.0

4

Flexibility at low temperature 

 No crackle at -25oC

5

Water tightness 

  Watertight

6

Puncture resistance

Watertight

7

 Heat aging treatment

Appearance

 Free from bubble, crack, cohesion and void

Change rate of tensile strength  %

+20oC

Change rate of elongation at break

Flexibility at low temperature 

 No crack at -20oC

8

Chemical corrosion resistance

Change rate of tensile strength %

+20

Change rate of elongation at break

Flexibility at low temperature

 No crack at -20oC

9

Artificial weathering 

Change rate of tensile strength %

+20

Change rate of elongation at break

Flexibility at low temperature

 No crack at -20oC

Remark: The property of artificial weathering might not be applicable to non-exposed product



FAQ of PVC Waterproofing Membrane

a.Can we get some samples before place order?

Answer: We can send the free samples to you by freight collect.


b.How many years can your PVC membrane guarantee?

Answer: We will guarantee the quality for 5 years at least.


c.Which countries you ever export the product? 

Answer: We export the PVC membrane to South Africa, Middle east and even European countries.


PVC Waterproofing Membrane for Underground Leakage


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Q:APP selection of asphalt waterproofing membrane selection points
5, membrane and coating composite use should be compatible, and should be placed on top of the coating; coil and waterproof mortar composite use should be placed under the waterproof mortar.
Q:Modified asphalt waterproofing membrane SBS I G PE4 What does it mean?
Waterproof membrane refers to the asphalt or polymer waterproof material impregnated in the carcass, made of waterproof material products, in the form of coil, known as waterproofing membrane.
Q:On the roof of the waterproofing membrane paving the direction of what are the requirements
The direction of the web should be determined according to whether the slope of the roof and the roof is affected by vibration: when the slope of the roof is within 3%, the asphalt waterproofing membrane should be parallel to the roof; at 3% ~ 15%, the asphalt waterproofing membrane may Parallel or vertical roof paving; slope greater than 15% or by vibration of the roof, asphalt waterproofing membrane should be vertical roof paving, and polymer modified asphalt waterproof and synthetic polymer waterproofing membrane can be parallel or vertical roof paving; The upper and lower layers should not be piled with each other vertically.
Q:Waterproof building materials after the construction of drums, bubble is what reason?
Reason 3: synthetic polymer waterproofing membrane construction, if the adhesive is not fully dry on the eager to paving the membrane, resulting in a solvent residue in the coil inside, when it evaporates, it will form a bubble. Control measures: the use of cold and cold method of paving, the brushing of the adhesive to be uniform, to be dry when the handle (refers to touch) is not bonded, before paving the membrane, while compaction. In particular, to prevent the accumulation of adhesive too thick, dry operation caused by the film from the drum.
Q:Is the foundation pit waterproofing and the foundation pouring on the working face?
The current project is generally not in the bottom of the foundation to do the membrane waterproof, and generally will be changed into fine stone concrete or cement mortar to do rigid waterproof, in the base side and the basement wall to do the membrane waterproof, the base of the waterproof before the banding reinforcement, Basic side and basement wall waterproofing after basement wall construction is done
Q:Construction Measures for Waterproof Coil in Winter
2. Master the hot melt paving points. Hot melt coil construction requirements of the heating width should be uniform, heating nozzle from the coil surface to be appropriate, 0.5m or so. Winter construction temperature is low, hot-melt time than the room temperature to be more, hot-melt to the surface of the membrane is bright, or melting is not enough. Such as beyond the degree of light overheating melting, the polymer modified asphalt easy to aging zoom, adverse bonding, but can not penetrate burned, grasp the hot melt to be strong bonding. When the sheet is rolled, the seam must be spilled over the adhesive to verify that the paste is tight, and the spilled adhesive is scrapped and the necessary measures to strengthen the seam. Coil large hot melt paving the same attention should be paid to the air inside the coil.
Q:The shortcomings of polypropylene waterproofing, and the shortcomings of modified asphalt waterproofing membrane
but the current domestic Still less match with the binder, because the environment and bonding materials and other factors often lose their bond function in advance, resulting in water failure will be self-evident; then waterproofing membrane after the construction of the protection And the leak after the maintenance is also a problem, exposed to the outside of the waterproof layer of foreign mechanical damage prevention is very important, waterproof membrane and grass-roots bonding, whether it is full shop, shop, shop, empty shop, The grassroots will be between the water layer, regardless of any part of the penetrating breakage, degumming, leakage of glue (even if there is only one), the entire level of its connection with the waterproof function will all decline, if not Find damaged and defective parts, the local repair is not possible, then only redo waterproof layer. So it is better to waterproof polypropylene
Q:Roof SBS waterproofing membrane additional layer needs to be wide
The waterproofing membrane is a curlable sheet-like waterproofing material. Is one of the important varieties of waterproofing materials in construction engineering. According to the brand classification Construction industry waterproofing membrane mainly Dike waterproof membrane, DuPont waterproofing membrane, Sicon waterproofing membrane, which the first two participating GB chart set. According to its main waterproof composition material can be divided into asphalt waterproof material, high polymer modified waterproof membrane and synthetic polymer waterproofing membrane (SBC120 polyethylene polypropylene composite membrane) three categories. There are PVC, EVA, PE, ECB and other waterproofing membrane
Q:Waterproof basement is empty shop or full shop
A waterproof, full of sticky. Secondary, sticky or sticky. Construction waterproof with waterproof material.
Q:The difference between high polymer modified asphalt waterproofing membrane and sbs
High-polymer modified asphalt waterproofing membrane: synthetic polymer modified asphalt coating layer, fiber fabric or fiber mat for the carcass, powder, granular, sheet or film material made of cladding material can be curled Of the sheet material. Thickness is generally 3mm, 4mm, 5mm, asphalt as the main body.

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