30mm Drainage Cell
Excellent drainage capacity and waterproof performance
High compressive strength and long service life
Resistant to chemical corrosion, root penetration, and aging
Lightweight and easy to install with simple construction process
Provides ventilation and water storage for green roof systems
Can be combined with geotextile for filtration and protection
Drainage Board (HDPE Drainage Sheet)
Product Description
Drainage Board, also known as HDPE Drainage Sheet or Drainage Cell, is made from high-density polyethylene (HDPE) through vacuum forming or injection molding.
It features a series of conical or cylindrical dimples that create a continuous drainage channel for water flow.
The product is mainly used for roof garden drainage, basement waterproofing, retaining wall back drainage, and landscape engineering.
It efficiently collects and discharges excess water while providing waterproof protection and load support, ensuring long-term stability of underground or green roofing systems.
Product Features
Excellent drainage capacity and waterproof performance
High compressive strength and long service life
Resistant to chemical corrosion, root penetration, and aging
Lightweight and easy to install with simple construction process
Provides ventilation and water storage for green roof systems
Can be combined with geotextile for filtration and protection
Applications
Drainage Board is widely used in:
Basement walls and foundation waterproofing systems
Roof gardens and green roofs
Landscape drainage and slope protection
Retaining walls and tunnel drainage systems
Roadbed and subgrade water discharge layers
Technical Specification
| Item | Description |
|---|---|
| Material | High Density Polyethylene (HDPE) |
| Thickness | 0.8mm – 2.5mm |
| Dimple Height | 8mm – 30mm |
| Width | 1m – 3m |
| Length | 10m – 30m (customizable) |
| Color | Black / Green / White |
| Standard | ASTM / ISO / GB |
Advantages of Our Drainage Board
With over 30 years of geosynthetics manufacturing experience, our drainage boards are produced using high-quality virgin HDPE materials to ensure durability and stable drainage performance.
They are widely used in civil construction, landscaping, and waterproofing projects, providing an efficient and eco-friendly drainage solution.


