Semi Intensive Green Roof Detail

A semi extensive green roof sits somewhere in between the two main options and is based on the extensive roof principles.

Semi intensive green roof detail.

In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs. Semi intensive intermediate depth modules 6 inches. Extensive intensive semi intensive. Module size 2 ft x 2 ft x 6 in.

Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used. 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 a semi intensive green roof system is characterized by small herbaceous plants ground covers grasses and small shrubs requiring moderate maintenance and occasional irrigation. Weight approximately 39 to 44 lb sf fully vegetative at maximum water holding capacity.

Roof protection moisture retention. Uses intended for designed vegetative green roof applications or functional vegetative green roofs applications where loading is required to combat against wind loads. A typical growing medium depth for a semi intensive green roof is 6 to 12 inches. Plants succulent ground covers and water conserving accent plants.