Residential Intensive Green Roof

The intensive residential green roof was completed with guidance from ben vaughn who led the landscapes over structures course at the university of oregon.

Residential intensive green roof. 15 to 50 per square foot. 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. Extensive green roofs these roofs are designed for environmental solutions and are ideal for low sloped retrofits and residential roofs. 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.

Green roofs can help reduce energy costsfor a building by acting as another layer of insulation between the inside and outside of the roof. Intensive green roofs these roofs are also known as rooftop gardens. 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. Loads should be considered when the roof substrate is saturated as this will be when the greatest loads are placed on the structure.

8 to 20 per square foot. 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.