Green Roof Extensive Vs Intensive

It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants.

Green roof extensive vs intensive. Our semi intensive green roofs have the ability to use of a wider range of complex plant mixtures and small shrubs due the deeper nutrient rich growing medium used in their construction. Extensive or intensive both types can be created on sloped green roofs and solar green roofs click on text to learn. A green roof comes in two varieties. The distinction is based on the kind of plant involved.

An extensive green roof is characterized by a thinner layer of soil and smaller plants. 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. 15 to 50 per square foot. Extensive green roof systems extensive systems are simpler and lighter weight than intensive systems.

The plants that are mostly used on extensively planted roofs include grasses mosses herbs and succulents. For a conventional roof. Intensive green roofs can support the growth of a wide range of plants including shrubs and small trees while the extensive green roofs can typically only accommodate a small selection of drought tolerant plants with shallow root systems. Intensive planting there are two ways of planting a roof.

A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species. These systems are ideal for efficient stormwater. Mosses sedums herbs and low growing grasses are common choices for extensive roofs. Extensive green roofs.

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. 8 to 20 per square foot. They require a higher level of maintenance compared to extensive roofs due to the vegetation and substrates used. This is most noticeable in intensive green roofs since there is a thicker and more consistent layer of soil which provides a higher insulating value.

These systems range in thickness from 2 6 94 and weigh approximately 15 30lbs per sq ft. Intensive includes a thick layer of soil that can support large vegetation such as small trees.