20mm Drainage Cell System
Drainage cell is a lightweight, high strength interlocking panel system designed primarily for sub-surface drainage such as podium gardens, roof gardens, planter boxes, sports fields, paving and many other landscape applications.
Drainage cell is manufactured from high strength polypropylene.
When installed between roof decks and pavers, drain cells reduce sound transmission and increase heat insulation.
Unlike drainage sheets our versatile drainage cell system is designed to withstand loads imposed by mechanical equipment such as bob-cats.
Available in 20mm interlocking at right angles to one another, or may be butted together.
Drainage Cell Application
Drainage cells are used for sub-soil drainage such as:
- Landscape decks & planter boxes
- Plaza decks, balconies & pool sides
- Sports fields & golf courses
- Roof Gardens
- Concealed drains
- Retaining/basement walls
- Storm drains
- Pond filtration
- Infiltration & storage tanks
- Sub surface drainage systems
- Water Sensitive Urban Designs
- Groundwater management
- Sports field drainage
Cell Features
- High compressive strength in excess of 100t/m2
- High surface void area and internal void volume resulting in efficient water capture and discharge rates
- Modules that may be interlocked in one plane or at right angles to one another
- Resistance to biological attack and to a wide range of soil-borne chemicals
- Large pre-assembled panels that allow rapid installation and minimise on-site disruption
Benefits Of Using Drain Cell
- Lightweight modules that allow easy handling and installation
- Approximately 2% of gravel aggregate weight for the same discharge capacity
- More predictable drainage capacity than gravel
- Narrow profile enables a greater soil depth to be utilised in planter beds, compared to gravel, allowing the use of a wider variety of landscape plants
- Relief of hydrostatic pressure on retaining walls
Drainage Cell Bulk Pricing Available For Trades & Projects
1 Panel measures 600mm x 500mm
Project Pricing Available – Please mailto:[email protected] for volume related project requirements and direct to site deliveries.

| Fill Material | Procedure | Tips |
| Lime (crushed/granular | Use at a diameter of up to 20mm and ensure medium to high levels of compaction | Avoid lime with a high clay content as the surface will become excessively slippery. Also avoid material with a high blue metal content. |
| Pumice | Great for drainage and soft surface requirements | Ensure good compaction and low sand content |
| Blue metal and recycled crusher dust | Very good compacter and useful for exits and entry roads. | Needs thorough and uniform compaction |
| Rotten stone | Good for bovine hooves and is also preferable for many other livestock. | Must be no bigger than 30mm in diameter. Can get slippery when wet. Must be soft enough to avoid damaging the GOEHEX™ Erosion Control System |
| Soil | Only use where extremely soft surfaces are required. Ensure a very high level of compaction. Also good for areas where the promotion of turf growth is required | Ensure the soil is clean and free of contaminants such as large rocks, metal or glass. Can be mixed with 10% to 15% washed sand. |
| Other | Fine, rock or soil like material that is less than 20mm in diameter | Avoid any fillings that have high stone content or sharp edges |
TECHNICAL SPECS
| Material: | Recycled, UV-stabilised, high impact,co-polymer polypropylene |
| Specifications | L 1000mm x W 500mm x H 42mm – 2 GEOHEX™ pavers = 1 square metre |
| Maximum Load Bearing Capacity: | 1200 t/sqm (filled) 300 t/sqm (unfilled |
| Weight: | 2.7 kg |
| Temperature Range: | – 45°C to 155°C |
| Pallet Quantity: | 150 units for a full pallet (under 2 meters) |
| Colour: | Black (custom colours available on request) |
| Water Permeability | 99.70% |
| Sustainability: | 100% Recyclable |
| Infill Requirements: | Every panel will require approx. 0.01678 cubic meters or 16.78L of infill material to fill the matrix |
| Connection Method: | Clip lock system |
| Applications: | Walkways, car parks, hardstand areas, public spaces, under turf, cattle troughs, stables, cattle yards, rural roads & driveways, residential driveways, sloped land, garden landscaping solutions and more. |






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