Meander water rentention board FKM 60
Optigrün Meander Water Retention Board FKM 60 is used for multi-layered extensive green roofs.
Product properties
| Material | Recycled HDPE |
| Nominal thickness | approx. 60 mm |
| Grammage | approx. 2.8 kg/m² |
| Water discharge capacity | i = 0.02 (=2 % roof pitch): 0.70 l/(m*s) |
| Max. compressive strength | approx. 97.4 kN/m² with 27.4 % compression |
Area of use
- Beneath extensive and simple intensive green roofs, unfilled, with FIL 105 filter fleece and multi layer substrate for water reservoir and targeted water discharge delay
Specific properties
- 100% recycled HDPE
- Not suitable for inverted roofs
- Drainage according to DIN 4095
- Significantly delayed discharge of excess water
- Low weight
- Prevents accumulation of water for non-pitched roofs and large drainage lengths
- High retention with high drainage capacity
- High permanent water storage capacity
- Recyclable
- Has a European Technical Assessment (ETA-13/0557) as part of the Optigrün system solutions