Extensive Vs Intensive Green 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.

Extensive vs intensive green roof.

Extensive green roofs. The plants that are mostly used on extensively planted roofs include grasses mosses herbs and succulents. Green roof technology has the expertise to realize the impossible and the incredible if you can dream it we can create it and keep in mind. There are two ways of planting a roof.

When it comes to your options there are two main types of green roof to consider extensive and intensive. Gardening is the last bastion of the patient as nature cannot be hurried. Intensive includes a thick layer of soil that can support large vegetation such as small trees. 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. An extensive green roof is characterized by a thinner layer of soil and smaller plants. 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. For a conventional roof.

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. Let s look at the differences between them. They are suitable for both existing and new build roof decks. 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.

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 comes in two varieties. 15 to 50 per square foot. Besides the visual impact of an extensive green roof they also provide a natural habitat for birds and insects.

The distinction is based on the kind of plant involved. Semi intensive roofs are generally used within highly visible area s to improve aesthetic design using small shrubs forbs and grasses. Extensive or intensive both types can be created on sloped green roofs and solar green roof s click on text to learn.