Weifang Shihua Chemical Building Material Co., Ltd.
| Supply Ability | 500000㎡per Month |
| Thermal aging (115°C × 672 h) | No abnormal appearance, tensile/elongation retention rate ≥90% |
| low temperature bending property | -40℃ no crack |
| water impermeability | 0.3 megapascals, 2 hours, impermeable |
| right angle tear strength | ≥60N/mm |
| impact resistance | 0.5 kg·m, waterproof |
| Seam peel strength | ≥4.0N/mm or roll material failure |
| Packaging Details | Plastic woven bags / Customizable |
| Application | Waterproofing Projects |
| Heat treatment dimensional change rate | ≤2.0% |
| Brand Name | shhous |
| Model Number | 1.2mm，1.5mm，2.0mm |
| Place of Origin | Shandong, China |
| Certification | ISO |
View Detail Information
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Product Specification
| Supply Ability | 500000㎡per Month | Thermal aging (115°C × 672 h) | No abnormal appearance, tensile/elongation retention rate ≥90% |
| low temperature bending property | -40℃ no crack | water impermeability | 0.3 megapascals, 2 hours, impermeable |
| right angle tear strength | ≥60N/mm | impact resistance | 0.5 kg·m, waterproof |
| Seam peel strength | ≥4.0N/mm or roll material failure | Packaging Details | Plastic woven bags / Customizable |
| Application | Waterproofing Projects | Heat treatment dimensional change rate | ≤2.0% |
| Brand Name | shhous | Model Number | 1.2mm，1.5mm，2.0mm |
| Place of Origin | Shandong, China | Certification | ISO |
| High Light | no crack tpo waterproofing membrane ，commercial tpo waterproof membrane ，commercial tpo waterproofing membrane | ||
Tpo Waterproofing Membrane Applicable To Projects Such As Commercial Buildings, Public Buildings, Large Venues
Product Features
The most core advantage of this type of coil is its outstanding outdoor weathering resistance. After the 7200-hour artificial climate accelerated aging test, its appearance and physical properties remain stable, and its expected outdoor service life can reach more than 25 years. The solar reflectance of white and light-colored surfaces can reach more than 80%, which can significantly reduce the roof temperature in summer, reduce building air conditioning cooling energy consumption, and achieve the energy-saving effect of "cool roof". The coil does not contain chlorine elements and plasticizers, and it will not become brittle due to plasticizer migration during long-term use. No harmful gases are released during welding and use, and the material is recyclable, fully meeting the environmental protection requirements of green buildings and LEED certification. At the same time, its temperature resistance range covers from -50℃ to high-temperature environments, and it can maintain flexibility even under extremely cold conditions in northern winters without low-temperature cracking.
performance metric
| No. | Item | Standard Requirement |
| 1 | regular thickness | 1.2mm/1.5mm/2.0mm |
| 2 | regular width | 2.0m |
| 3 | normal length | 20m,custom length |
| 4 | Surface Color | White, light grey, custom colors supported |
Construction Steps
1. Base Treatment: Clean up debris and raised sharp objects the roof base, and level uneven areas with cement mortar to ensure the base is flat, dry and has no obvious water accumulation risks.
2. Pre-laying and Line Marking: the benchmark line according to the roof size and the width of the TPO waterproof membrane, lay the TPO membrane loosely and naturally on the base, and let it stand 30 minutes to release the internal stress of the material, so as to avoid the membrane wrinkling due to changes later.
3. Mechanical Fixing: Fix the membrane on the roof with matched galvanized pressure strips and self-tapping screws, and set the spacing of fixing strictly according to the calculation result of wind load to ensure the overall wind uplift meets the standards.
4. Hot Air Welding: Use an automatic hot air welding machine to treat the joints of the membrane, control the lap width above 100mm, the welding temperature according to the ambient temperature, and ensure the lap joints are fully fused as piece without cold joints or missed welds.
5. Joint Treatment: For detailed positions such as roof internal and external corners, pipe roots, vents, pipes protruding from the roof, cut homogeneous TPO membrane into matching shapes, heat and shape them with a hot air gun, then weld and seal. Fix head positions with U-shaped pressure strips and apply sealant for edge sealing. . Acceptance Inspection: Conduct an air inflation test on all double-weld lap joints. If the pressure does drop within 2 minutes after the pressure reaches 0.15MPa, it is qualified. At the same time, check the overall surface of the for no damage or warping, and complete the construction acceptance.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2000
Total Annual:
17790000-17790000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Weifang Shihua Chemical Building Materials Co., Ltd. Founded in 1994, the company has a registered capital of RMB 100.86 million and covers a plant area of over 30,000 square meters. It mainly manufactures more than 100 types of products across five major series, including Shihua‑brand po... Weifang Shihua Chemical Building Materials Co., Ltd. Founded in 1994, the company has a registered capital of RMB 100.86 million and covers a plant area of over 30,000 square meters. It mainly manufactures more than 100 types of products across five major series, including Shihua‑brand po...
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