10, 15 & 20 year extensive green roof system:
- Green Roof System (by others)
- Drainage/Filter Layers (by others)
- Sarnafil T Protection Layer
- Sarnafil TG Waterproof covering
- SarnaTherm G Insulation
- Sarnavap Air Vapour Barrier (Sarnavap 5000E SA or HD VCL)