Intensive Green Roof Vs Extensive

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

Intensive green roof vs extensive. The plants that are mostly used on extensively planted roofs include grasses mosses herbs and succulents. A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species. The distinction is based on the kind of plant involved. A green roof with a lightweight solution of 30 kg m2 is only possible with sedum vegetation and a green roof with a weight of 220 kg m2 is composed of a combination of sedum grasses herbs or host plants.

Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used. 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. Gardening is the last bastion of the patient as nature cannot be hurried. Roughly speaking extensive green roofs have a thickness of between 4 and 15 cm and a weight of between 30 and 220 kg m2.

You can compare an intensive roof to a normal garden and this is why an intensive green roof is also known as a roof garden or garden roof. Extensive or intensive both types can be created on sloped green roofs and solar green roof s click on text to learn. In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs. Intensive includes a thick layer of soil that can support large vegetation such as small trees.

A green roof comes in two varieties. Due to their light weight and low profile they require less structural support and can be used on roofs with a slope of 30 b0 and higher. Extensive green roof systems extensive systems are simpler and lighter weight than intensive systems. These systems range in thickness from 2 6 94 and weigh approximately 15 30lbs per sq ft.

For a conventional roof. An extensive green roof is characterized by a thinner layer of soil and smaller plants. 8 to 20 per square foot. Intensive planting there are two ways of planting a roof.