Permavoid
Smart with water
Subbase systems

Flowblock

Flowblock is a 75 mm natural grass reinforcement tile. With a 90% open surface and many drainage channels at the bottom the Flowblock allows grass to grow naturally.

Slimblock provides grass reinforcement based on a stable footing and rigid peg-hole connection, effectively transferring weightloads to the subbase.

With a 90% open surface and many drainage channels at the bottom the Flowblock allows grass to grow naturally and create a natural look on your temporary or little used car parking spaces and roadside berms, without impeding rainwater infiltration and without the drawback of mud and rutting.

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Product specs & downloads

Size l x w x h
500 x 500 x 75 mm
Color
Back or green
Size  m2
+/- 2 %
Material
HDPE/LDPE
Weight
approx. 2,3 kg
Material description
Frost resistant, hydrofoob, inert, impervious to bacterial and fungal growth
Coefficient of lineair thermal expansion
0,0002 m/m K
Recyled / virgin
Recycled
Volumetrix void ratio
> 87%
Lifespan
> 50 years
Perforated surface ratio
Vertical > 86%, Horizontal > 20%
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