Base KL 2-layer inverted roof system for semi-intensive green roof on concrete insulated with XPS

2-layer SBS-modified bitumen built-in membrane pour & roll on concrete substrate insulated with XPS for green roofs:
1. Substrate: concrete
2. Primer
3. Glue:
Icopal Block Bitumen 95/35
4. Base KL x 2
5. Icopal Blackline 750, root barrier
6. Fonda Geoplex, for drainage
7. Insulation:
XPS
8. Fonda Geoplex, for drainage
9. Semi-intensive roof