Nero Drainage Cell – 500 × 600 mm × 20 mm
The Nero 20 mm Drainage Cell is a high-strength, lightweight drainage solution designed for efficient water management in landscaping, construction, and waterproofing applications. Manufactured from durable recycled polypropylene, it provides rapid drainage, protects waterproof membranes, and improves plant health in both residential and commercial projects.
Ideal for use under slabs, podium decks, green roofs, planter boxes, and landscaped areas, the Nero Drainage Cell delivers excellent load-bearing performance while significantly reducing installation weight compared to traditional gravel systems.
Key Features
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Efficient Water Drainage - High internal void structure allows fast water flow, reducing waterlogging and hydrostatic pressure.
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High Load-Bearing Capacity - Engineered to withstand heavy loads with a compressive load capacity of over 135 tons/m2.
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Lightweight Alternative to Gravel - Significantly lighter than traditional aggregate drainage layers, reducing structural load and installation time.
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Protects Waterproofing Membranes - Acts as a protective drainage layer over membranes, helping prevent damage and extending system lifespan.
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Improves Plant Health - Creates a balanced drainage and moisture retention environment for green roofs, planters, and landscaped areas.
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Durable & Long-Lasting - Resistant to soil chemicals, rot, mould, and biological degradation.
Typical Applications
- Green roofs and rooftop gardens
- Planter boxes and landscaped areas
- Podium decks and balconies
- Sub-soil drainage under slabs and pavements
- Stormwater management systems
- Car parks, roads, and trafficable surfaces
- Sports fields and turf drainage systems
(For detailed load ratings and flow performance, contact us for the technical data sheet.)
Installation Notes
- Install directly over the waterproofing membrane or prepared substrate
- Use geotextile fabric where required to prevent soil ingress
- Panels can be easily cut to size for complex layouts
- Suitable for use with irrigation and drainage pipe systems
| Area to Cover (m²) |
Panels Required |
Coverage Provided (m²) |
| 1 m² |
4 panels |
1.20 m² |
| 2 m² |
7 panels |
2.10 m² |
| 5 m² |
17 panels |
5.10 m² |
| 10 m² |
34 panels |
10.20 m² |
| 15 m² |
50 panels |
15.00 m² |
| 20 m² |
67 panels |
20.10 m² |
| 25 m² |
84 panels |
25.20 m² |
| 30 m² |
100 panels |
30.00 m² |
| 40 m² |
134 panels |
40.20 m² |
| 50 m² |
167 panels |
50.10 m² |
Area to cover (m²) ÷ 0.30 = Number of panels required
Why Choose Nero Drainage Cells?
Nero Drainage Cells are trusted by landscapers, builders, and waterproofing professionals for their strength, reliability, and ease of installation. They offer a smarter, lighter, and more efficient drainage solution than traditional gravel while meeting the demands of modern construction and landscaping projects.
