Chapter 17

GREEN ROOFS

Terms such as ‘green’, ‘eco’, ‘living’, ‘planted’ and ‘vegetated’ are used to describe roofs where plants are used to improve performance and appearance (Snodgrass and McIntyre 2010). This age-old concept has been reintroduced using contemporary technologies in order to confront the increasing environmental challenges associated with conventional roofing. At the same time, this type of roofing can provide homeowners with financial benefits (Johnston and Gibson 2010, Friedman 2007). The types and functioning principles of these roofs will outlined below.

It is possible to build green roofs on either flat or pitched roofs. While flat roofs are the most common type, the pitched roof design is also a viable method that has ...

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