Simple Extensive Green Roof

Any large slope or flat roof that s hard to reach makes a great area for this kind of vegetation as nature will take care of itself.

Simple extensive green roof.

To start with take a look at the most simple family of green roofs. With an extensive green roof vegetation is thinner 1 6 to five inches thick and lighter with appropriate plants that will make them low maintenance and self sustaining. A green roof is a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly sloped roof. Green roofs are also known as vegetative or eco roofs.

Semi intensive system requires some maintenance from time to time. Besides the visual impact of an extensive green roof they also provide a natural habitat for birds and insects. Extensive systems are for roof areas that are out of reach and not used for other purposes. These areas need appropriate vegetation that will make them low maintenance and self sustaining.

Other options are substrate based systems that are plug planted to the client s requirement or seeded for natural colonisation. Vegetative roofs are divided into two categories. Although there are no precise definitions of them an extensive green roof has a shallow growing medium usually less than six inches with a modest roof load limited plant diversity minimal. From a distance an extensive sedum roof can be mistaken for a grass field.

What is a green roof. There are three basic types of green roof system. Extensive green roofs are generally made up of a very thin layer of soil or other planting medium with shallow root plants like sedum mosses and grasses. These are covered with low growing plants such as evergreen sedums.

Build a living roof green roof. They fall into three main categories extensive intensive and semi intensive. 1 extensive vegetative roofs which are 6 inches or shallower and are frequently designed to satisfy specific engineering and performance goals and 2 intensive vegetative roofs which may become quite deep and merge into more familiar on structure plaza landscapes with promenades lawn large perennial plants and trees. In many instances an extensive green roof can be a planning requisite and the ideal solution is the simplest lightweight sedum blanket system.

While redeveloping our house we decided to install a living roof on our kitchen roof why you ask.