Garden roof assembly american hydrotech inc.
Extensive green roof construction details.
They are differentiated on the basis of plant selection growing medium type and overall cost.
For both of these we need to follow specific green roof construction and maintenance procedures.
With only a few inches of soil extensive green roofs typically support plants that are tolerant of high heat drought wind and frost like sedums succulents and.
Al 2008 urban ecosystems vol.
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.
Garden roof assembly hydrotech s garden roof assemblies combine the proven performance of our monolithic membrane 6125 roofing waterproofing with proven green technology.
15 to 50 per square foot.
This system requires some maintenance from time to time these green roof systems lie between the extensive and the intensive and usually include a mix of plant types.
Unlike conventional earth covered structures garden roof assemblies are lightweight and can be installed on a wide variety of new and existing structures.
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.
These systems are ideal for efficient stormwater.
Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used.
For a conventional roof.
Please contact us for support in determining which details are most pertinent to your individual project.
A general characterization of the two types of green roofing systems follows.
Extensive green roofs are generally lower in weight and cost and require less plant maintenance.
The hydrologic and thermal performance of six different extensive green roofs and reflective and non reflective roofs in a sub tropical climate simmons et.
In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs.
Generally there are two types of green roof systems.
Green roofs are not created equal.
Extensive green roofs.
We have vegetative roof details in pdf dwg autocad and autodesk revit rvt 2d and rfa 3d formats.
Therefore it is unlikely that a green roof will lead to issues with insurance.
The government undertook fire tests for green roofs and walls and concluded that the current guidance provided by the green roof code was adequate and extensive green roofs installed following the code would not be deemed a fire risk.
