Meander Water Retention Board FKM 60
Optigrün Meander Water Retention Board FKM 60 is used for multi-layered extensive green roofs.
Characteristics
| Material | Recycled HDPE |
| Max. compressive strength | approx. 97.4 kN/m² with 27.4 % compression (DIN EN ISO 25619-2) |
| Water discharge capacity (DIN EN ISO 12958) | i = 0.02 (=2 % roof pitch): 0.70 l/(m*s) |
| Nominal thickness | approx. 60 mm |
| Grammage | approx. 2.8 kg/m² |
