15 to 50 per square foot.
Extensive green roof detail.
Typically they have thin layers of substrate the growing medium to keep depth and weight to a minimum.
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A general characterization of the two types of green roofing systems follows.
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.
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They are differentiated on the basis of plant selection growing medium type and overall cost.
Nophadrain extensive green roof system.
Typically these roofs will have more soil and some small shrubs as well as the low growing wildflowers and sedums found on an extensive roof.
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.
Extensive green roofs are designed to be low maintenance lightweight systems with no general access.
Green roof components growing media water holding capacity field capacity maximum water capacity astm test.
Cad drawings extensive green roof.
For a conventional roof.
8 to 20 per square foot.
We have vegetative roof details in pdf dwg autocad and autodesk revit rvt 2d and rfa 3d formats.
Extensive green roofing systems consist of lightweight naturalistic planting that provides extensive plant cover with minimal maintenance and a wide range of benefits including.
Extensive green roofs.
These systems are ideal for efficient stormwater.
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.
Extensive green roofs sedum roof systems.
It also allows for a formal garden to be installed with paths grass lawn and flowers or pot plants.
31 0 45 820 09 70 verkoop nophadrain nl.
Cad drawings extensive green roof.
A semi intensive green roof can give rise to a richer ecology with more diverse plant and animal species.
Cad drawings extensive green roof.
For both of these we need to follow specific green roof construction and maintenance procedures.
Wallbarn is one of the uk s leading supplier installer of modular green roofs sedum roofs and extensive green roofs.