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. Extensive green roofs. Extensive or intensive both types can be created on sloped green roofs and solar green roof s click on text to learn. There are two ways of planting a 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.

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. They are suitable for both existing and new build roof decks. Semi intensive roofs are generally used within highly visible area s to improve aesthetic design using small shrubs forbs and grasses. 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. The plants that are mostly used on extensively planted roofs include grasses mosses herbs and succulents. The main difference with a ans grufekit extensive roof is that it comes in kit form and is quick and easy to install not to mention the fact that it is pre grown and therefore green from the start and does not require irrigation. 8 to 20 per square foot.

15 to 50 per square foot. In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs. When it comes to your options there are two main types of green roof to consider extensive and intensive. Let s look at the differences between them.

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. For a conventional roof. 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.

Intensive includes a thick layer of soil that can support large vegetation such as small trees. The distinction is based on the kind of plant involved. Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used.