GF DREN B cavity drainage
GF DREN B cavity drainage
GF DREN B cavity drainage – extruded cavity mat made of high-density polyethylene or polypropylene, combined with filtration geotextiles, which prevent the penetration of small particles of substrates from the supporting vegetation layer into the drainage layer.
Profile height | 8 mm |
Foil thickness | 0,5-0,6 mm |
Surface weight | 550-650 g |
Compressive strength | 190-250 kN/m² |
Form of delivery | Rolls 2.0-2.5 m wide |