Extensive Green Roof Construction Details

Xf301 sedum blanket extensive green roof system when to specify.

Extensive green roof construction details.

978 0 471 67495 5 planting green roofs and living walls nigel dunnett noël kingsbury 2004 timber press isbn. Little modification of the roof environment ensuring suitability for new or refurbishment applications. Extensive green roofing systems consist of lightweight naturalistic planting that provides extensive plant cover with minimal maintenance and a wide range of benefits including. Green roof systems susan weiler katrin scholz barth 2009 john wiley and sons isbn.

The system is suitable for both new build construction and retrofit refurbishment projects. It comprises mature sedum on 20mm of extensive substrate and incorporating a multifunctional water retention and filter layer. A general characterization of the two types of green roofing systems follows. Intensive vs extensive green roof.

With more depth of growing substrate 100 200 mm it can support a greater diversity of plants but not shrubs and trees. There are a number of things to consider when designing for a green roof. For both of these we need to follow specific green roof construction and maintenance procedures. This is the lightest weight all in one system available.

One important item to design for is an increased structural load. This is especially true of intensive green roofs which can have soil that is two feet deep or more. A semi extensive green roof sits somewhere in between the two main options and is based on the extensive roof principles. Generally there are two types of green roof systems.