Green roofs and their properties



  Cross-section substrate layer [cm] additional weight [kg/m²] maintenance Accessibility  Type of plants
Extensive 6-15 30-150 Minimal No Sedum, herbs …
Semi-intensive 15-30 150-400 Yes Yes Flowers, lawn, small shrubs,herbs
Intensive > 30 >400 Yes Yes Any plant choice*


* Stipulated plants such as bamboo are to be avoided on green roofs because of their aggressive nature towards roots. For a full list of prohibitions, we refer to Krupka, Bernd. Dachbegrünung – Pflanzen und vegetationsanwendung an bauwerken. Stuttgart, Ulmer, . 2000