Drainage and Storage Board FKD 60 BO
Optigrün Drainage and Storage Board FKD 60BO under intensive roof greening in multi-layer construction and temporarily drivable gravel lawn without gravel base layer filled with Drainage Material Perl 8/16.
Product properties
| Material | Recycled HDPE |
| Nominal thickness | approx. 60 mm |
| Grammage | approx. 2.3 kg/m² |
| Water discharge capacity | i = 0.02 (=2 % roof pitch): 2.29 l/(m*s) |
| Compressive strength filled | approx. 650 kN/m² with 10% compression, filled flush with chippings 2/5 |
Area of use
- Under intensive roof greening in multi-layer construction filled with Drainage Material Perl 8/16
- Under temporarily drivable gravel lawn without gravel base layer filled with Drainage Material Perl 8/16
Specific properties
- Unfilled installation under intensive roof greening is possible with a substrate height of up to 400 mm in combination with Optigrün Filter Fleece FIL 300 (it is not possible for vehicles of any kind to drive over the unfilled Optigrün Drainage and Storage Board FKD 60BO)
- Suitable for non-pitch roofs
- Rapid draining of excess water
- Vapour permeable - suitable for inverted roofs
- Lightweight super structure with high drainage capacity
- Surrounding edge overlaps
- Filling without risk of shifting apart
- Cross and T-joints possible - minimal offcuts
- Has a European Technical Assessment (ETA-13/0557) as part of the Optigrün system solutions