Water Retention Box WRB 85i
Infiltration trough made of recycled PP intended for surface drainage in combination with a Flow Control System; high water retention potential, used for extensive green roofs with 0° roof pitch.
Characteristics
| Material | recycled PP (polypropylene) |
| Compressive strength (DIN ISO 25619-2) | approx. 825 kN/m² with approx. 10 % compression |
| Discharge capacity | Roof pitch 2% = 6.30 l/s*m |
| Nominal thickness | approx. 85 mm |
| Grammage | approx. 5.6 kg/m² |
