20 mm Drainage cell✔

500mm X 250mm X 20mm 

Material : Hi-Impact Polypropylene 

Compressive Strength / m2: Above 120 tons Tested

Weight:  225 grams

Flow rate: 8 L/S/Meter [email protected]%gradient

Surface Void Area: Above 70%

Internal Void area: Above 90%

Biological Resistance: Excellent resistant towards algae and mould 

Chemical Resistance: Excellent resistance to acid, alkalis, mineral oil and bitumen

Service Temperature: -10deg C to 80deg C

30mm Drainage cell✔

500mm X 250mm X 30mm 

Material : Hi-Impact Polypropylene  (HIGH THICKNESS)

Compressive Strength / m2: Above 140 tons Tested

Weight: 440 grams

Flow rate: 11 L/S/Meter [email protected]%gradient

Surface Void Area: Above 70%

Internal Void area: Above 90%

Biological Resistance: Excellent resistant towards algae and mould 

Chemical Resistance: Excellent resistance to acid, alkalis, mineral oil and bitumen

Service Temperature: -10deg C to 80deg C