Water Retention Box WRB 150
Optigrün Water Retentionbox WRB 150 on roofs used as retention areas, under extensive and intensive vegetation as well as traffic areas such as terraces, fire brigade access roads, car parks, etc.
Characteristics
| Material | Recycled PP (polypropylene) |
| Nominal thickness | approx. 150 mm |
| Grammage | approx. 12,0 kg/m² |
| Water reservoir | up to 140 l/m2 |
| Usable accumulation volume | approx. 95,0 Vol. % |
| Max. discharge capacity | approx. 5,0 l/s x m (at 2% roof pitch) |
| Compressive strength | approx. 715 kN/m2 DIN EN ISO 25619-2 |
