Semi Intensive Green Roof Detail

Extensive intensive semi intensive.

Semi intensive green roof detail.

Module size 2 ft x 2 ft x 6 in. Weight approximately 39 to 44 lb sf fully vegetative at maximum water holding capacity. Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used. Roof protection moisture retention.

Semi intensive intermediate depth modules 6 inches. 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. 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 roofs are low maintenance.

A typical growing medium depth for a semi intensive green roof is 6 to 12 inches. This system is able to retain more stormwater than an extensive system and provides the potential to host a richer ecology. 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.