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In the field of construction engineering, leakage of garage roofs has always been a core pain point plaguing the industry. Traditional drainage systems often face problems such as low drainage efficiency, easy blockage, and vulnerable waterproof layers, which lead to potential structural safety hazards caused by water leakage. Especially in the scenarios of basement floors and planted roofs, poor drainage not only affects the service life of buildings but also significantly increases the post - maintenance costs. Jiamei New Materials Co., Ltd. has been deeply involved in the drainage system field for more than a decade and has a profound understanding of these engineering pain points.
As a professional manufacturer located in Tai'an High - tech Development Park, our production base covering an area of 32,000 square meters is equipped with 25 advanced production lines, with an annual production capacity of 50 million square meters. Through continuous R & D investment, we have independently developed the 'Blockchain' intelligent drainage collection system and successfully developed this polymer protective siphonic drainage special - shaped sheet. This product adopts an innovative structural design and achieves organized drainage with zero slope through the siphon principle, effectively solving the fundamental problem of low efficiency in traditional drainage systems. Verified by actual projects, this system can significantly improve the drainage efficiency by more than 30% and provide reliable protection for the waterproof layer at the same time.
Product working principle
This system uses a three - layer composite structure to work together:
- The upper convex point design forms a drainage cavity to quickly divert accumulated water
- The middle layer of polymer material forms a waterproof barrier with a compressive strength of 25 tons per square meter
- The bottom geotextile filter layer prevents particle blockage
Core product features
| Feature category | Technical indicators |
|---|---|
| Material composition | Three - layer composite structure (HDPE protective layer + polymer waterproof membrane + filter geotextile) |
| Compressive performance | Static load 25 tons/m², dynamic load 15 tons/m² |
| Drainage efficiency | Siphon flow velocity ≥3.5m/s |
| Environmental adaptability | Weather - resistant temperature - 40℃~80℃, acid - and alkali - resistant pH value 3 - 11 |
Engineering application advantages
- Integrated protection and drainage: The unique three - layer structure simultaneously realizes drainage and waterproof functions
- Zero - slope drainage: Breaks through the traditional slope limitation and reduces the civil construction cost
- Self - cleaning design: The bump structure prevents sediment accumulation and reduces the maintenance frequency
- Quick installation: The standard panel size design (2×5 meters) is combined with a special adhesive, which improves the construction efficiency by 40%.
As a senior enterprise in the industry, we hold the Class II construction qualification for waterproofing, anti - corrosion, and thermal insulation, as well as the work safety license. We have obtained 4 invention patents and 22 utility model patents to support the technology of this product. The company has continuously received the AAA - level enterprise credit certification and has been rated as a model unit for honest operation. These qualifications guarantee the reliability of the product and its applicability in engineering. It is recommended that engineering design units give priority to this system in projects with complex geological environments or high waterproofing requirements. We will provide customized solutions according to the project characteristics. If you need to obtain detailed technical parameters or construction plans, please feel free to contact our engineering and technical team for professional consultation.
FAQ Frequently Asked Questions
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Q: How does this product prevent root penetration when used in a green roof?
A: This product uses a three - layer composite structure. The middle layer is a root - resistant polymer material with a special formula. Through the dual mechanisms of physical barrier and chemical inhibition, it has been tested to effectively resist the penetration of common garden plant roots, meeting the requirements of JGJ155 "Technical Specification for Green Roof Engineering". -
Q: Does the system need to set an additional slope?
A: This product is designed based on the siphonic drainage principle and achieves zero - slope drainage through the vacuum negative pressure effect. When installing, only a 1% - 2% slope of the drainage trough needs to be ensured, which significantly reduces the construction difficulty and cost of structural slope finding. -
Q: What are the advantages compared with the traditional gravel drainage layer?
A: Compared with the traditional gravel layer, the self - weight of this system is reduced by 70% (only 3.5kg/m²), the thickness is reduced by 80% (the overall thickness is 25mm), and the drainage efficiency is increased by more than 3 times. At the same time, it avoids the risk of the gravel edges piercing the waterproof layer and extends the service life of the waterproof system. -
Q: How to ensure that it will not be blocked during long - term use?
A: The system uses a three - dimensional drainage structure, and the surface bumps form continuous drainage channels. Combined with a 300g/m² polyester needle - punched geotextile filter layer, it can effectively intercept fine particles while maintaining water permeability. The actual measurement shows that in a normal use environment, the system can operate maintenance - free for more than 10 years. -
Q: Is it suitable for large - scale underground garage projects?
A: The maximum compressive strength of this product reaches 25 tons/m², meeting the requirements of GB50009 "Load Code for the Design of Building Structures". It has been successfully applied to the underground garage of a large - scale commercial complex with a single - project area of more than 100,000㎡. Through the zoned drainage design, it can meet the needs of projects of various scales. -
Q: Is the performance stable in a low - temperature environment in winter?
A: The material uses low - temperature - resistant modified HDPE raw materials and still maintains good flexibility at - 40℃. Through the laboratory accelerated aging test, the performance attenuation rate of the material under low - temperature cycling conditions is less than 5%, fully meeting the requirements for use in cold regions in the north.
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