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.

Extensive vs intensive green roof.

A green roof comes in two varieties. A green roof has many advantages. In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs. 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.

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. Intensive includes a thick layer of soil that can support large vegetation such as small trees. 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. 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.

Semi intensive roofs are generally used within highly visible area s to improve aesthetic design using small shrubs forbs and grasses. Besides the visual impact of an extensive green roof they also provide a natural habitat for birds and insects. Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used. 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.

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.