Green Roof Intensive Vs Extensive

The plants that are mostly used on extensively planted roofs include grasses mosses herbs and.

Green roof intensive vs extensive.

A 2006 study by the university of michigan comparing costs of conventional and green roofs showed that on average installing a green roof costs about 22 00 sq. The green roof as a habitat. Intensive vs extensive a green roof comes in two varieties. For a conventional roof.

Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used. These systems are ideal for efficient stormwater. It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants. Planted roofs create living space for animal species.

15 to 50 per square foot. Intensive includes a thick layer of soil that can support large vegetation such as small trees. Extensive green roofs. A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species.

8 to 20 per square foot. There are two ways of planting a roof. Extensive green roof an extensive green roof system is characterized of its vegetation ranging from sedums to small grasses herbs and flowering herbaceous plants which need little maintenance and no permanent irrigation system the growing medium depth for an extensive green roof system is typically 6 inches or less. 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.

In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs. 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. An extensive green roof is characterized by a thinner layer of soil and smaller plants.