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30mm Nero Drainage Cell

Rainsmart® Drainage Cell System provides a perfect Solution for sub-soil drainage application for creating successful Roof Garden, without any traditional problems associated with cracking or leakage. The 30mm Nero® Drainage Cells provides a uniform surface as well as an internal void space for effective draining of excess water.

Sold per sheet: 1.2m x 1.0m  ( shipped as 4 x 600mm x 500mm)

System Benefits:

  • Very high compressive load carrying capacity of up to 140 tons/m2.
  • Very high lateral flow capacity.
  • Maintains actual void size for effective drainage after backfill& compaction.
  • Fit-in system easy to cut and comes in pre-clipped panels.
  • Low weight, only 3.2 kg/sqm compared to 250 kgs/sqm of gravel for the same effective drainage,-hence reduces deck loads.
  • Thin - reduces depth of cover and allows the use of mature planting in shallow conditions.
  • Holds and creates a perch water table, providing ideal moist conditions for plant growth.
  • Reduces hydrostatic forces upon sub-grade walls.
  • Easy to shop, store and install comes in pre-clipped panels.
  • Reduce the risk of waterproofing to crack due to thermal expansion in hot periods.
  • Environmentally friendly made from selected Recycled Polypropylene
  • Recharges Groundwater Table through principle of infiltration when used on natural Ground surface.
  • Light weight hence no heavy machinery or skilled labour required.
  • Site space utilization and minimum site disruption.


Rainsmart® Nero Drainage Cell® is a lightweight, yet incredibly strong drainage panel, ready to be covered with Geotextile fabric for vertical and horizontal drainage applications, including:

  • Roof Decks, Planter Boxes, Podium gardens
  • Landfills Drains (gas & Leachade Collection)
  • Sportsfield Sub-soil Drainage
  • Retaining Walls for Foundations
  • Subfloors
  • Tunnels Drainage
  • Road & Highway Edge Drains
  • Landscape French Drains
  • Biofilters & Gas Dispersion systems
  • Underdrain system for High Ground Water tables.


  Standard Used Metric Imperial
Width   500mm 1,64"
Length   600mm 1,97'
Height   30mm 1.18'
Surface Void Area   68% void
Internal Void Area   95%
Material   90% recycled polypropylene +10%Propriety Mix
Colour   Black
Biological & Chemical Resistance   Unaffected by moulds and algae, soil-borne chemicals,    bacteria and bitumen, Oils & light Acid, Alkaline Solutions.
Service Temperature   -10°C to 85°C -14F to185 °F
Compressive Strength/ Ultimate Load ASTM D1621 >135 t/m2 > 192 psi
Flow Rate ASTM D4716 >18.95 Ltrs/m.s @1%gradiant > 5.02 gals/m.s @1%gradiant