2-layer SBS-modified bitumen built-in membrane torch applied on concrete substrate insulated with XPS for green roofs:
1. Substrate: concrete
2. Primer
3. Base SV x 2
4. Icopal Blackline 750, root barrier
5. Fonda Geoplex, for drainage
6. Insulation:
XPS
7. Fonda Geoplex, for drainage
8. Semi-intensive roof