DSI - Professional Drainage Solutions
Optigrün Economy Roof
Optigrün Economy Roof
A popular standard construction for extensive Green Roofs (0-5°)
The ECONOMY ROOF system has proven itself in practice for decades. Drainage takes place via a drainage board (FKD), which is also well-suited to non-pitched roofs. The ECONOMY ROOF is particularly resistant and can be used on most standard roofs.
Like all Optigrün system structures, the ECONOMY ROOF also meets the requirements of the FLL Green Roof Guidelines.
| Ecological value |  |
| Maintenance costs |  |
| Costs* | from 27 €/m2 |
Technical specifications
| Weight* | from 90 kg/m² or 0.9 kN/m² |
| Build-up depth | from 80 mm |
| Roof pitch | 0-5° |
| Vegetation form | herbs-grasses-sedum |
| Water retention | 50-60 %/year |
| Discharge coefficient** | Cs = 0.4-0.5 |
| Water storage | approx. 25 l/m² |
* Weight specifications refer to saturated conditions; dry weight is approximately 60 - 70 % of the saturated weight.
** In accordance with the current FLL Green Roof Guidelines.
