Once established they will continue to develop to create a self sustaining plant community on the roof that will also provide habitat for invertebrates and bird species.
Semi intensive green roof detail.
A typical growing medium depth for a semi intensive green roof is 6 to 12 inches.
Weight approximately 39 to 44 lb sf fully vegetative at maximum water holding capacity.
Semi intensive intermediate depth modules 6 inches.
With more depth of growing substrate 100 200 mm it can support a greater diversity of plants but not shrubs and trees.
Semi intensive green roofs are low maintenance.
Extensive intensive semi intensive.
Roof protection moisture retention.
Module size 2 ft x 2 ft x 6 in.
Uses intended for designed vegetative green roof applications or functional vegetative green roofs applications where loading is required to combat against wind loads.
A semi extensive green roof sits somewhere in between the two main options and is based on the extensive roof principles.
In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs.
Plants succulent ground covers and water conserving accent plants.