Protection and Drainage Board FKD 25 plus
Optigrün Protection and Drainage Board FKD 25 plus is installed beneath traffic surfaces and pathways. Also suitable for inverted roofs.
| Material | Recycled HDPE |
| Nominal thickness | approx. 27 mm |
| Grammage | approx. 2,500 g/m2 |
| Max. compressive strength filled | approx. 460 kN/m² |
| Water discharge capacity (DIN EN ISO 12958) | 1.33 l/(m*s) (at 2 % roof pitch) |
