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Home » Products » TPO waterproof membrane » 1.2mm Tpo Reinforced Underground Waterproofing Membrane
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1.2mm Tpo Reinforced Underground Waterproofing Membrane

Basic Info

Function: Anti-static, Heat Insulation, Sound-Absorbing, Waterproof
Certification: ISO,
Usage: Outdoor, Indoor
Transport Package: by Pallet
Specification: 2M * 20M
Origin: China
HS Code: 3921909090
Product Description
Customer Question & Answer

  • Naijiu

Product Description

Basic Info

Model NO.: TPO012
Function: Anti-static, Heat Insulation, Sound-Absorbing, Waterproof
Certification: ISO, 
Usage: Outdoor, Indoor
Transport Package: by Pallet
Specification: 2M * 20M
Origin: China
HS Code: 3921909090

Product Description

Customer Question & Answer

1.2mm TPO Reinforced Underground Waterproofing Membrane
Products Description
Tpo reinforced underground waterproofing membrane integrate the performance advantage of EPDM and PVC membrane, weather-resistance, low temperature resistance, hot weldable. TPO waterproof membrane keeps high rubber elasticity at normal temperature and plasticity at high temperature. No pollution, easily applied.

The Thermoplastic Polyolefin (TPO) waterproof membranes are the most popular waterproof materials in the world at present. It's thermoplastic elastomeric waterproof materials by adopting advanced polymerization together with squeeze technology,which perform well in mechanical properties, high tensile strength,oxidation-resistance and resistance to puncture.

Thickness: 1.2mm, 1.5mm, 1.8mm, 2.0mm...

1.2mm Tpo Reinforced Underground Waterproofing Membrane

Product Features

 1. Excellent weathering characteristics and long-term flexibility
 2. High tensile strength and puncture resistance
 3. Excellent resistance to harsh chemicals and industrial pollutants
 4. Heat or solvent-welding effectively provides seamless roof covering

White, Dark gray, Light gray, Black, Blue, Red, and Copper green. Depending upon roof area, membrane material can also be produced in special customized colors.

Due to unique product formulation, the product has the longer life far beyond the usual waterproof material. The entire water system is 50 years underground. It is widely used in construction and civil engineering.
1.2mm Tpo Reinforced Underground Waterproofing Membrane

1. Long service life and weathering resistance; and the materials can be used for 50 years underground. 
2. High tensile strength, great elongation, and small size change during heat treatment. 
3. Good low temperature flexibility and adaptability to environmental temperature changes.
4. Good resistance to root penetration. It can be made for green roofs.
5. Excellent resistance to puncture and impact. 
6. Convenient for construction (can be welded), solid and reliable, and eco-friendly. 
7. Strong resistance to chemical corrosion, suitable for special occasions. 
8. Good plasticity, convenient and quick corner detail treatment. Easy maintenance and low cost.
9. After 2,000 hours of manual weathering verification. 

Executive standard (GB27789-2011)

TPO Waterproofing performance index According to Enterprise Standard<Thermoplastic Polyolefin (TPO)Waterproof Membrane>(GB 27789-2011)
NO. Item Index
1 The resin layer thickness of intermediate fabric /mm≥ - 0.4 0.4
Tensile property
Maximum tension /N/cm≥ - 200 196 250
Tensile strength /Mpa≥ 12.0 - - -
Tensile elongation at maximum tension/≥ - - 15 15
Elongation at reinforcement break %/≥ 500 250 - -
3 Rate of change of heat treatment /%≤ 2.0 1.0 1.0 0.5
4 Cold bending -40ºC no leaking
5 Water impermeability
0.3Mpa,2h water impermeability
6 Impact resistance 0.5kg*m,water impermeability
7               Anti static load - - 20kg water impermeability
8      Joint  peel strength /(N/mm) 4.0 / breaking membrane 3.0
9   Overlap joint strength  /N≥ - 290
10 Right angle tearing strength/N/mm 60 - -
11 Trapezium tearing strength/N/mm - 245 245 450
12 Water absorption(70ºC,168h)/%≤ 4.0 3.0
Thermal aging
Time 672h
Appearance No craze, no bubble, no cohering, hole
Maximum tension retention/%≥ - 90
Tension strength retention/%≥ 90 - -
Maximum tension elongation retention/%≥ - - 90
Breaking elongation retention/%≥ 90 90 -
Cold bending -40ºC no leaking
Chemical resistance
Appearance No craze, no bubble, no cohering, hole
Maximum tension retention/%≥ - 90 90
Tension strength retention/%≥ 90 - -
Maximum tension elongation retention/%≥ - - 90
Breaking elongation retention/%≥ 90 90 -
Cold bending -40ºC no leaking
Phytotrons accelerating aging
Time 1500h
Appearance No craze, no bubble, no cohering, hole
Maximum tension retention/%≥ - 90 90
Tension strength retention/%≥ 90 - -
Maximum tension elongation retention/%≥ - - 90
Breaking elongation retention/%≥ 90 90 -
Cold bending -40ºC  no leaking
      a) Anti static load only apply to pressure spread roofing waterproof membrane  
      b) Monolayer roofing waterproofing membrane: the time of Phytotrons accelerating aging is  2500h

1. High tension, perfect elongation to resist the stretching or cracking of the foot layer.
2. Perfect jointing, It can be fused with base as a whole after heating the jointing by hot wind.
3. High permeability, chilling material and moisture can be expelled easily.
3. High aging resistance, corrosion resistance and erosion resistance.
4. Good cold flexibility and heat resistance

Scope of Application:
1. The waterproofing of the Industrial or civil construction's roof, including the planting roof, flat roof, sloping roof.
2. Waterproofing of the underground building: Including reservoirs, dams, canals, and all parts of the basement water seepage.
3. Tunnel, granary, civil air defense projects, garbage landfills, and other man-made lake.

Operation points:
Generally, heat the jointing with the hot air or electric heating with hot air or welding by electricity. Waterproof construction of complex parts can be used matching PVC special accessories.

Construction technology:
1. Tunnels, bridges should use polymer 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.
1. Do not put the membrane on a pollution, water and ice ground.
2. Construction of waterproof layer operations can't be crossed, device shall be installed on the waterproof layer, parts should be done to strengthen the basis of device and to take protective measures.
3. Do not touch the waterproof layer with thorn sharp objects after it's has been completed, don't put sundries or any additional buildings above the waterproof layer to avoid damaging it.

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