Lightweight Roof 0-5°
- The lightest green roof solution available.
- Erosion-proof system solution; can only be used with a secured waterproofing system. Not suitable for inverted roofs.
- Can be used on roofs with zero degree drainage falls, subject to certain limitations.
- Increased maintenance requirements and installation costs in comparison to an Economy Roof solution.
Ecological value | ![]() |
Maintenance costs | ![]() |
Weight * | up to 55 kg/m² bzw. 0.55 kN/m² * |
Build-up depth | up to 6 cm |
Roof pitch | 0 - 5° |
Vegetation form | moss-sedum |
Water retention | 40 - 50 % year |
Discharge coefficient ** | Cs = 0.5 |
Water storage | approx. 18 l/m² |
* | Weight specifications refer to saturated conditions; dry weight is approximately 50 - 60 % of the saturated weight. |
** | Depends on slope and system solution. Determined at 0° according to FLL guidelines. |
Vegetation Mat
- Pre-cultivated sedum mat for the rapid establishment of vegetation in order to prevent wind erosion, with decomposable carrier.
- Productdetails: Vegetations Mat SM/G 20
Low Density Substrate L (30 L/M²)
- Specially formulated substrate for single layer extensive roofs featuring low weight but high water storage capacity.
- Productdetails: Low Density Substrate L
Inspection Chamber LD
Drainage and Water Storage Element FKD 25
- Rapid discharge of surplus water
- Prevents accumulation of water on non-pitched roofs and on large drainage runs
- Good water storage capacity
- Productdetails: Drainage and Water Storage Element FKD 25
Protection and Storage Fleece RMS 300
- Protects the roof membrane against damage and stores water.r
- Productdetails: Protection and storage fleece RMS 300
