The layers of soil and planting provide insulation to the roof along with protection to the waterproofing layer not to mention its environmental credentials.
Steel green roof detail.
Note that it is not like a traditional roof garden in which planting is done in free standing containers as well as planters that are placed on an easy to access roof terrace.
Green roofs also known as living roofs are traditionally made of insulation a waterproof membrane a drainage layer such as gravel or clay a mat to prevent erosion soil and plants.
The key to any good green roof project is a good waterproofing membrane.
A green or living roof is a flat or low pitched roof with a layer of planting over the waterproofing membrane.
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There are many types of waterproofing membrane.
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Simply put a green roof is a system that is installed on an existing roof top covered by plants and other vegetation.
The costs associated with green roofs however and the problems that arise from difficult accessibility have elicited criticism.
A green roof is a green space that is created by adding various layers of plants and a growing medium to the top portion of a traditional roofing system.
Introduction to green roof details.