Product Overview
The HDPE drainage channel is a high-performance surface water drainage solution engineered for residential, commercial and municipal applications. Manufactured from high-density polyethylene, this linear drainage system delivers exceptional durability while remaining significantly lighter than traditional concrete alternatives.
Whether you are managing stormwater runoff in a parking lot, landscaping a courtyard, or installing drainage for a commercial plaza, this channel system provides reliable, long-lasting performance with minimal maintenance requirements.
Key Features
Lightweight Construction
The HDPE channel body weighs considerably less than concrete or cast iron alternatives, enabling easy transportation, handling and installation. This reduces labour costs and accelerates project timelines, particularly on sites with limited access or where manual handling is required.
Modular Connection Design
Each 1000mm channel section features precision-engineered connection points for quick assembly and reliable alignment during installation. The modular system allows for flexible layout configurations to accommodate complex drainage patterns.
Smooth Internal Surface
The non-porous, smooth interior surface promotes optimal water flow velocity and self-cleaning action, reducing sediment build-up and debris accumulation. This minimises blockages and extends maintenance intervals.
Impact and Chemical Resistant
HDPE material offers excellent resistance to moisture, road salts, de-icing chemicals, and common environmental contaminants. The channel maintains structural integrity across a wide temperature range, making it suitable for long-term outdoor installation in varied climates.
Multiple Grating Options
Available with plastic, galvanised steel, stainless steel or ductile iron gratings, the system can be tailored to meet specific load requirements and aesthetic preferences for any project.
Technical Specifications
- Material: HDPE (High-Density Polyethylene)
- Standard: EN1433
- Load Class: A15 – D400 (depending on grating selection and channel size)
- Channel Length: 1000 mm per section
- Available Widths: U100, U150, U200, U250, U300, U400, U500
- Grating Options: Plastic, Galvanised Steel, Stainless Steel, Ductile Iron
Dimensional Specifications
| Item | Specification | Inner Width (mm) | Inner Height (mm) | Outer Width (mm) | Outer Height (mm) | Cover Plate (L×W×H mm) |
|---|---|---|---|---|---|---|
| U8020 | U80×20 | 80 | 20 | 105 | 40 | 500×100×10 |
| U8035 | U80×35 | 80 | 35 | 105 | 55 | 500×100×10 |
| U10045 | U100×45 | 100 | 45 | 150 | 80 | 500×140×20 |
| U100100 | U100×100 | 100 | 100 | 150 | 130 | 500×140×20 |
| U100150 | U100×150 | 100 | 150 | 150 | 190 | 500×140×20 |
| U150150 | U150×150 | 150 | 150 | 220 | 190 | 500×200×20 |
| U200200 | U200×200 | 200 | 200 | 260 | 240 | 500×240×20 |
| U200250 | U200×250 | 200 | 250 | 260 | 300 | 500×240×20 |
| U250250 | U250×250 | 250 | 250 | 320 | 300 | 500×300×20 |
| U300300 | U300×300 | 300 | 300 | 360 | 360 | 500×340×20 |
| U400400 | U400×400 | 400 | 400 | 470 | 450 | 500×450×30 |
| U500500 | U500×500 | 500 | 500 | 570 | 550 | 500×550×30 |
Applications
- Residential developments and driveways
- Commercial areas and retail plazas
- Municipal projects and public infrastructure
- Parking areas and car parks
- Gardens and landscape projects
- Pedestrian walkways and footpaths
- Courtyards and outdoor public spaces
Frequently Asked Questions
What load classes are available for this drainage channel?
The system covers load classes from A15 (pedestrian areas) through to D400 (carriageways and heavy vehicle access). The specific load rating depends on the channel size and grating type selected. Please consult the technical specifications table or contact our team for project-specific recommendations.
Is the HDPE channel suitable for outdoor use in freezing conditions?
Yes. HDPE material maintains impact resistance at low temperatures and does not absorb water, making it resistant to freeze-thaw damage that commonly affects concrete channels. The smooth internal surface also helps reduce ice formation during winter months.
How do I choose the right channel size for my project?
Channel sizing depends on expected water volume, catchment area, and local rainfall intensity. The available widths range from U80 to U500. For smaller residential or pedestrian applications, U100 to U150 is typically sufficient. For commercial, parking, or municipal projects requiring higher flow capacity, U200 to U500 may be more appropriate.
Are the gratings interchangeable between different channel models?
Gratings are designed specifically for each channel width and load class. While plastic, galvanised steel, stainless steel and ductile iron options are available for most models, compatibility should be confirmed against the dimensional specifications provided in the table above.



















