- Reinforced concrete.
- Inclined layer.
- Vapor barriers such as vapor barrier roofing paper / vapor barrier film.
- Thermal insulation – thermal insulation panels termPIR AL or termPIR BT.
- Waterproofing, eg roofing paper is mechanically fixed + surface roofing paper, PVC, TPO, FPO membranes.
- Concrete top coat.
- Anti-water insulation.
- Sliding surface.
- Pressure layer, concrete cover.
- Terrace surface finish, i.e. terracotta.