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Help CenterPlastic Hydrophobic Board, High-density Polyethylene Drainage Board, Moisture-proof Material for Basement Garage Roof
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In the construction industry, problems such as basement leakage, water accumulation on garage roofs, and poor drainage on green roofs have long troubled developers and construction parties. Traditional drainage methods often suffer from low drainage efficiency due to material aging and structural design defects, which in turn lead to a series of problems such as corrosion of concrete structures and root rot of vegetation. Jiamei New Materials Co., Ltd., a professional manufacturer with over a decade of experience in the drainage system, deeply understands these pain points. The company is located in the Tai'an High - tech Development Zone and has a production base of 32,000 square meters. It focuses on the R & D and production of materials for sponge city systems. Through the original "blockchain" intelligent drainage and collection system, we have successfully developed high - density polyethylene (HDPE) plastic drainage boards, achieving organized siphon drainage on green roofs with zero slope and effectively solving the core problems in the field of building waterproofing and drainage.
Product working mechanism: This drainage board adopts a three - layer composite structure design. The upper geotextile filter layer, the middle three - dimensional drainage channel layer, and the lower polymer protective layer work together. When water seeps into the roof, the system will:
- Use capillary action to guide water into the drainage channels
- Realize unpowered automatic drainage through the siphon principle
- Form directional water flow under zero - slope conditions
| Parameter category | Technical indicators |
|---|---|
| Raw materials | High - density polyethylene (HDPE) |
| Thickness range | 0.8 - 2.0mm (customizable) |
| Compressive strength | ≥200kPa |
| Tensile strength | Longitudinal ≥8kN/m, Transverse ≥5kN/m |
| Permeability rate | ≥0.08cm/s |
| Operating temperature | -40℃~80℃ |
Core advantages:
- High durability: The HDPE material is resistant to acid - base corrosion, with a service life of over 30 years
- Convenient construction: The modular design supports rapid splicing, saving 50% of the construction period
- Eco - friendly: The recycling rate reaches 95%, meeting the green building standards.
- System Compatibility: It can be used in conjunction with the company's PED protection system, HXC siphon trough, etc.
Jiamei New Materials Co., Ltd. has 22 utility model patents and 4 invention patents to support the product technology, and holds the second - level construction qualification for waterproofing, anti - corrosion and thermal insulation. The annual production capacity of 50 million square meters ensures the timely supply for large - scale projects. We suggest: In underground projects with complex geological environments, a layered laying scheme can be adopted; for green roof projects, it is recommended to cooperate with water storage modules to achieve rainwater recycling. If you need to obtain the technical scheme for a specific project, our engineering team can provide free consulting services.
FAQ:
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Q: Is the material stable in the freeze - thaw environment in the north?
A: The product has passed the low - temperature test at - 40℃. The special antifreeze added can effectively prevent structural damage caused by repeated freeze - thaw cycles. There are successful application cases in projects such as Harbin Ice and Snow World. -
Q: How to verify the actual effect of the drainage system?
A: It is recommended to install a sediment observation well. The water flow state can be intuitively monitored through the transparent pipe section. We provide supporting flow detection equipment to quantitatively record the drainage volume data. -
Q: Is this product needed for sloped roofs?
A: Although traditional sloped roofs can drain water by gravity, using this system can reduce the thickness of the slope - finding layer. When the slope is ≤3%, the drainage efficiency can still be improved by more than 30%. -
Q: How to deal with the blockage of the geotextile filter layer?
A: It is recommended to choose polyester filament geotextile with a weight of more than 120g/㎡. Its three - dimensional structure has a self - cleaning function. In areas with a high sediment content, an additional graded gravel filter layer can be added. -
Q: Can it be directly compounded with waterproofing membranes?
A: The bottom layer of the product has been roughened, and the bonding strength with SBS/APP modified asphalt membranes reaches 0.15MPa. For polymer waterproofing membranes, it is recommended to use special adhesives. -
Q: Does the system need regular maintenance?
A: The system is designed to be maintenance - free, but it is recommended to check the drainage channels through the observation well every 5 years. In case of abnormalities, a high - pressure air gun can be used to clear the channels.
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