Extensive Green Roof Build Up

Extensive roofs are an ecological alternative to conventional surface protection or ballast layers such as gravel and pavers.

Extensive green roof build up.

They are suitable for both existing and new build roof decks. Xf301 sedum blanket extensive green roof system. The soil is usually not more than 5 deep and is sometimes contained by a tray system which provides a barrier to excessive growth protects the roof membrane and also interlocks the. Suitable plants include various sedum species herbs and some grasses.

In most instances an additional drainage layer is not required though on roofs up to 2 or in areas of high rainfall its inclusion may be necessary. Extensive green roofs are a popular option for homeowners as they are lightweight and require very little maintenance with no need for additional watering. Extensive green roof build up. Noise reduction for the building green roofs have excellent acoustic qualities for both external sound up to 3db and internal noise up to 8db when constructing a green roof there are some fundemental considerations that determine the system required to support the planting scheme.

The system is suitable for both new build construction and retrofit refurbishment projects. 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. This is a multi layer green roof system comprising protection fleece drainage layer filter fleece and mineral ri ch plant growing media suitable for drought resistant plants. Extensive green roofs normally have an attractive low layer of vegetation around 80 100mm high such as grass moss sedum or.

Basic types of green roofs.