Residential Intensive Green Roof

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.

Residential intensive green roof.

The green roof contains a mix of extensive and intensive green roof areas with some areas having as much as 1200mm of soil and others employing only a. 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. For intensive green roof profiles a drain restrictor may be used to retain water in the base of the profile for subsequent plant transpiration. The irrigation needs of a green roof are specific not only to plant selection but also to the.

Greengrid 6 inch or 8 inch option. What is a green roof. Although there are no precise definitions of. Intensive systems allow the designer to create a park like setting so they are the best option for roof gardens that will be occupied.

Intensive roofs or roof gardens are the perfect example of this. For a conventional roof. A green roof is a layer of vegetation planted over a waterproofing system that is installed on top of a flat or slightly sloped roof. 15 to 50 per square foot.

An intensive green roof is a deeper typically greater than six inches heavier system designed to sustain complex landscapes. Rooftop garden or intensive vegetative green roofs are typically designed as usable spaces made up of lawn perennials bushes and trees. Green roofs are also known as vegetative or eco roofs. They fall into three main categories extensive intensive and semi intensive.

Some even have bushes and trees. 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. This green roof proposal was developed as an alternative design for an existing multi unit residential complex in the pearl district of portland oregon. Two old mill s beautiful roof top amenity terrace contains a balance of spaces for relaxation outdoor entertaining and outdoor cooking all situated within a lush and varied green roof.

Intensive green roofs require the deepest soil and have the greatest impact on the structural design but they also accommodate all types of plantings including large shrubs and trees. Intensive roofs are accessible and often include areas of hardscape structures and other features that create beautiful gardens on the roof. 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.