Extensive Green Roof Uk

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Extensive green roof uk.

Extensive green roofs are not usually intended for general public access and are chosen mostly for their ecological benefits. Typically these roofs will have more soil and some small shrubs as well as the low growing wildflowers and sedums found on an extensive roof. A semi extensive green roof sits somewhere in between the two main options and is based on the extensive roof principles. Suitable plants include various sedum species herbs and some.

The government undertook fire tests for green roofs and walls and concluded that the current guidance provided by the green roof code was adequate and extensive green roofs installed following the code would not be deemed a fire risk. It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants. A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species. Little modification of the roof environment ensuring suitability for new or refurbishment applications.

Extensive roofs require the minimum of maintenance and are laid on a much thinner layer of soil the plants used are usually of the sedum species which are very hardy with water storing leaves. 8 to 20 per square foot. Typically they have thin layers of substrate the growing medium to keep depth and weight to a minimum. 15 to 50 per square foot.

Wallbarn is one of the uk s leading supplier installer of modular green roofs sedum roofs and extensive green roofs. They are lightweight and have a shallow build up height. Extensive green roofing systems consist of lightweight naturalistic planting that provides extensive plant cover with minimal maintenance and a wide range of benefits including. Extensive green roofs are designed to be low maintenance lightweight systems with no general access.

Extensive green roofs sedum roof systems. Extensive green roofs extensive green roofs provide a light weight low maintenance instant green effect roof solution and are the most common type of green roof we supply. Extensive landscaped roofs are an ecological alternative to conventional surface protection or ballast layers such as gravel and pavers. Extensive green roofs an ecological alternative to conventional surface protection.

The extensive way of laying a green roof is excellent for a diy green roof and it is the extensive kind of green roof which is found on most domestic properties. 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. Therefore it is unlikely that a green roof will lead to issues with insurance. With more depth of growing substrate 100 200 mm it can support a greater diversity of plants but not shrubs and trees.

Semi extensive green roof.