Semi Extensive Green Roof

This system is able to retain more stormwater than an extensive system and provides the potential to host a richer ecology.

Semi extensive green roof.

Despite the 10 story elevation and center city location the green roof has attracted a variety of wildlife over the years. The green roof is composed of a mix of sedums and hardy herbs with a sweeping crescent of small grasses. Semi intensive green roofs our semi intensive green roof systems include a richer deeper substrate and drainage solution compared to extensive roofs enabling use of a wider range of complex plant mixtures. Typically these roofs will have more soil and some small shrubs as well as the low growing wildflowers and sedums found on an extensive roof.

It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants. 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. Green roofs are also known as vegetative or eco roofs. They fall into three main categories extensive intensive and semi intensive.

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. Semi intensive roofs are generally used within highly visible area s to improve aesthetic design using small shrubs forbs and grasses. 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 green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used.

Explore easy to maintain extensive systems or intricate green roofs supporting wide ranging plant life. Whatever your green roof entails we can make it viable.