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Extensive green roof section.
15 to 50 per square foot.
Cad drawings extensive green roof.
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.
Supporting intensive green roofs require significantly greater load bearing capacity thereby increasing their overall cost and complexity of design.
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Moisture retained by saturated media after free draining 40 60 typ.
These systems are ideal for efficient stormwater.
Extensive green roofs consist of a thin layer of growing medium 15 centimetre depth or less with a herbaceous vegetative cover.
Moisture retained by media that cannot be removed aka wilt point 12 18 typ.
Jul 4 2020 explore danica mihadavid s board green roof sections on pinterest.
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.
For a conventional roof.
8 to 20 per square foot.
Guidance in this guide focuses on extensive green roof design.
A properly designed and installed extensive green roof system can cost 108 248 m 2 10 23 sq ft while an intensive green roof costs 355 2 368 m 2 33 220 sq ft however since most of the materials used to build the green roof can be salvaged it is estimated that the cost of replacing a green roof is generally one third of the initial installation costs.
The modular units are often plastic or metal trays filled with growing medium.
Extensive green roofs.
Some green roofs are installed in one large integrated section while modular green roofs use small portable planting beds placed together to create a larger green roof.
Extensive green roof an extensive green roof system is characterized of its vegetation ranging from sedums to small grasses herbs and flowering herbaceous plants which need little maintenance and no permanent irrigation system the growing medium depth for an extensive green roof system is typically 6 inches or less.
A 2006 study by the university of michigan comparing costs of conventional and green roofs showed that on average installing a green roof costs about 22 00 sq.
We have vegetative roof details in pdf dwg autocad and autodesk revit rvt 2d and rfa 3d formats.
Nophadrain extensive green roof system.