Semi Intensive Green Roof

2 ft x 2 ft x 6 in.

Semi intensive green roof.

Plant substitutions may be required depending on project location hardiness zone and availability. They fall into three main categories extensive intensive and semi intensive. What is a green roof. A typical growing medium depth for a semi intensive green roof is 6 to 12 inches.

Although there are no precise definitions of them an extensive green roof has a shallow growing medium usually less than six inches with a modest roof load limited plant diversity minimal. Semi intensive semi intensive green roofs are another part of the green roof types that we ll be taking a look at. Excellent tool for managing stormwater and. 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.

It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants. Extensive intensive semi intensive. Usually described as semi intensive or simple intensive green roofs they exert lighter loads on the load bearing structure below and are generally simpler than intensive green roofs. Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used.

A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species. In these cases similar species will be used to preserve the desired look and character of the green roof. Roof protection moisture retention. In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs.

These are typically a mix of both extensive and intensive below and will give you that wonderful best of both worlds style. A green roof is a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly sloped roof. Green roofs are also known as vegetative or eco roofs.