Residential Intensive Green Roof

Intensive green roofs these roofs are also known as rooftop gardens.

Residential intensive green roof.

1 intensive green roof if you want your roof to function as a garden and have large plants and even water features then the intensive green roof is for you. 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. As a rule of thumb extensive green roofs usually support 10 25 pounds of vegetation per square foot while intensive roofs support 80 150 pounds of vegetation per square foot. For a conventional roof.

Loads should be considered when the roof substrate is saturated as this will be when the greatest loads are placed on the structure. 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. With this type of roof planting mediums are much deeper which can be between seven and 24 inches and can consist of lawn shrubs trees and perennials for example. They can be used for growing desert grasses and they won t require any watering after the first year.

8 to 20 per square foot. Extensive green roofs these roofs are designed for environmental solutions and are ideal for low sloped retrofits and residential roofs.