Extensive Vs Intensive Green Roof

Besides the visual impact of an extensive green roof they also provide a natural habitat for birds and insects.

Extensive vs intensive green roof.

Green roofs or living roofs as they are also known can be classified according to type of usage construction factors and maintenance requirements into three different types. In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs. 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. The extensive green roof is the typical choice for homeowners but if you are building a home you can enjoy the wider options offered by the intensive green roof because it can be included in the plans saving the costs of retrofitting an existing structure.

A green roof has many advantages. Extensive semi intensive and intensive green roofs. Semi intensive roofs are generally used within highly visible area s to improve aesthetic design using small shrubs forbs and grasses. 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.

Roughly speaking extensive green roofs have a thickness of between 4 and 15 cm and a weight of between 30 and 220 kg m2. An extensive green roof is characterized by a thinner layer of soil and smaller plants. A green roof is a flat roof that may be systematically planted with for example varieties of sedum moss or grass but also with perennials and even bushes and trees. Intensive includes a thick layer of soil that can support large vegetation such as small trees.

A green roof comes in two varieties.