Green Roofs With Vegetation

A well designed green roof system enables the sustainability and energy performance of a building to be increased in a number of ways.

Green roofs with vegetation.

Succulents such as sedum are often chosen for extensive green roofs because they withstand harsh conditions and minimize water loss. A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane. A green roof is typically defined as a layer of vegetation planted over a waterproof membrane on top of a flat or slightly sloping roof. It may also include additional layers such as a root barrier and drainage and irrigation systems.

Vegetative roofs also known as green roofs are thin layers of living vegetation installed on top of conventional flat or sloping roofs. A green wall or roof is essentially a panel of vegetation. Where a standard garden is horizontal a green wall has been flipped on its side. Some green roofs are constructed specifically to support sports turf.

Vegetation composition of old extensive green roofs from 1980s germany christine e thuring and nigel dunnett abstract introduction. Green roofs planted with plug plants or cuttings take an average of 2 to 3 years to achieve the same result as vegetation blankets. We have chosen to use the word vegetative rather than the word green in this guide because a non vegetative roof could be considered to be environmentally green without being vegetative. The science is in how you put a garden on its side make it light enough and choose resilient plants that won t outgrow basic maintenance.

Vegetation blankets create instant green roofs as soon as they are rolled out. These require irrigation and a substrate depth of at least 200 mm. Green roofs are also known as vegetative or eco roofs. Vegetables are the other main group of annual plants used on green roofs.

By far the most important argument. They fall into three main categories extensive intensive and semi intensive. Egrs are planted with. 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.

See here for information on species selection. Since their development in the late 1970s in germany extensive green roofs egr have become increasingly popular as mitigation tools for urban environmental issues around the world. Planting is best completed in autumn and winter to assist plant establishment before summer.