Public driveable - for passenger cars
Roof areas accessible by cars are paths and areas that can be used by people and cars. They can be combined with green areas on the roof. Car-accessible traffic roofs can be used on uninsulated roofs as well as on warm and inverted roofs.
System structure public roof - for passenger cars
Note: Click on the marked points to get more information!
Paving
- Height 80 mm minimum
- Surface layer (e.g. interlocking paving, slabs, concrete)
Bedding material
- E.g. bedding stone chippings 0–5 mm (30–50 mm)
- Screed layer for surfacing material
Base layer
- Base layer of gravel 0–32 mm (min. 120 mm)
- Provides load-bearing capacity and distribution and is used to create inclines
- Lightweight build-up with Optipor
Protection and drainage board FKD 12
- 12 mm, for cars and trucks > 2 % slope, pressure resistant, open to vapour diffusion, lightweight with high drainage capacity
- learn more: Protection and drainage board FKD 12
Protection, Seperation and Slip Layer SGL 500
learn more: Protection, Seperation and Slip Layer SGL 500
Technical specifications
| Weight | from 530 kg/m² or 5.3 kN/m² |
| Build-up depth | from 250 mm |
| Roof pitch* | 1-5° |
| Load class | 2 (max. 3,5 t vehicle weight) |
* Roofs with zero degree falls do not meet FLL Green Roof Guidelines and Optigrün systems should not be used without consultation.
Downloads
- Checklist (pdf) 175 KB
- CAD-Drawing (pdf) 967 KB
- CAD-Drawing (dwg) 1 MB