Green Roof Section Dimensions

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Green roof section dimensions.

A green roof is a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly sloped roof. Moisture retained by saturated media after free draining 40 60 typ. Moisture retained by media that cannot be removed aka wilt point 12 18 typ. Green roof roof terrace cad drawings.

Jul 4 2020 explore danica mihadavid s board green roof sections on pinterest. G 2 intensive green roofs have a growing media layer that ranges from 6 to 48 inches thick. Intensive green roofs have a higher weight and require a minimum soil thickness of at least 30 cm compared to the 5 12 cm of the latter. Intensive green roofs roof gardens and extensive green roofs.

For further information about the benefits and construction of green roofs see our green roofs section. Green roofs are also known as vegetative or eco roofs. A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane it may also include additional layers such as a root barrier and drainage and irrigation systems. Green roof components growing media water holding capacity field capacity maximum water capacity astm test.

Green roofs are typically not designed to provide stormwater detention of larger storms e g 2. This is most noticeable in intensive green roofs since there is a thicker and more consistent layer of soil which provides a higher insulating value. They fall into three main categories extensive intensive and semi intensive. Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although.

G 1 extensive green roofs have a much shallower growing media layer that typically ranges from 3 to 6 inches thick. What is a green roof. Green roofs can help reduce energy costs for a building by acting as another layer of insulation between the inside and outside of the roof.