Extensive Green Roof Construction Details

For a conventional roof.

Extensive green roof construction details. Therefore it is unlikely that a green roof will lead to issues with insurance. 8 to 20 per square foot. 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. 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.

Garden roof assembly american hydrotech inc. 15 to 50 per square foot. Semi intensive green roofs require a deeper soil layer but the payoff is in the types of plantings that can be used. In addition to the mosses grasses and sedum of extensive roofs semi intensive plantings include herbs flowering plants taller grasses and small shrubs.

As a roof type that requires frequent maintenance intensive systems can be thought of as gardens on a roof in contrast with an extensive green roof there are almost unlimited possibilities. The hydrologic and thermal performance of six different extensive green roofs and reflective and non reflective roofs in a sub tropical climate simmons et. Replacing the impervious surface of a conventional roof with. Garden roof assembly hydrotech s garden roof assemblies combine the proven performance of our monolithic membrane 6125 roofing waterproofing with proven green technology.

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. Extensive green roofs are generally lower in weight and cost and require less plant maintenance. Please contact us for support in determining which details are most pertinent to your individual project. Green roofs are not created equal.

Extensive green roofs. These systems are ideal for efficient stormwater. 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. Generally there are two types of green roof systems.

Al 2008 urban ecosystems vol. They are differentiated on the basis of plant selection growing medium type and overall cost. A general characterization of the two types of green roofing systems follows. We have vegetative roof details in pdf dwg autocad and autodesk revit rvt 2d and rfa 3d formats.