PUBLIC ROOF DRIVABLE - FOR LORRIES
Category 3 lorry use means occasional use by vehicles up to 20 t (e.g. refuse collection, fire department, delivery traffic). If higher frequencies of use or heavier vehicles are to be taken into account, the superstructures must be adapted accordingly.
System structure public roof - for lorries
Note: Click on the marked points to get more information!
Paving
- Height 100 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 (height 150 mm minimum)
- 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 600 kg/m² or 6.0 kN/m² |
| Build-up depth | from 300 mm |
| Roof pitch* | 1-5° |
| Load class | 3 (max. 20 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) 170 KB
- CAD-Drawing (dwg) 1 MB