Meander water retention board FKM 30
Optigrün Meander Water Retention Board FKM 30 is used for multi-layered extensive green roofs.
Product properties
| Material | Recycled HDPE |
| Nominal thickness | approx. 30 mm |
| Grammage | approx. 1.7 kg/m² |
| Water discharge capacity | i = 0.02 (=2 % roof pitch): 0.228 l/(m*s) |
| Max. compressive strength unfilled | approx. 115 kN/m² with approx. 12.4% compression |
Area of use
- Beneath multi-layer extensive greening on roofs with RP to 5° (= approx. 9%)
- With significant discharge delaying effect Discharge Cs=0.01* in the system build-up
Specific properties
- 100% recycled HDPE
- Not suitable for inverted roofs
- Drainage according to DIN 4095
- Safe and targeted guiding of excess water
- Low weight
- Also suitable for non-pitched roofs
- Lightweight super structure with high drainage capacity
- Recyclable
- Has a European Technical Assessment (ETA-13/0557) as part of the Optigrün system solutions