Intensive Green Roof System
The intensive green roof uses planting mediums that have greater depth than the extensive green roof.
Intensive green roof system. A low slope roof is a roof surface with a maximum slope of 2 inches of rise for 12 inches of run 16 degrees as defined in american society for testing and materials standard astm e 1918 97. This deeper soil allows intensive roofs to accommodate large plants and dramatic plant groupings. Another term for these green roofs is rooftop garden. Driven by planning and local authority targets and the clients or end users requirements as well as stormwater retention amenity health and social cohesion goals.
Roof membrane protection an intensive green roof system protects the roof membrane from many conditions such as uv radiation heat cold and hail. Thus they have more substantial structural loads and need more frequent maintenance and watering. Intensive green roofs often referred to as roof gardens can be viewed very much like a garden area and may be landscaped to include trees lawns flower beds and paved areas. 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 green roof build ups over roofs and podiums are designed to be trafficked. Intensive green roof system. Intensive green roofs have more soil and a deeper growing medium sometimes several feet that can support a more diverse plant selection including small trees. Green roofs for healthy cities grhc is the north american industry association for the green roof and wall sectors.
Intensive green roof garden roof roof garden an intensive green roof system is characterized by its variety of vegetation ranging from herbaceous plants to small trees with professionel maintenance and advanced green roof irrigation systems. Intensive green roofs offer a great potential for design and biodiversity. A typical growing medium depth of an intensive green roof is 6 inches or more. 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.
They are usually accessible. Unlike conventional earth covered structures garden roof assemblies are lightweight and can be installed on a wide variety of new and existing structures. With an intensive roof the only real limit to its scope is the weight of the system and the structure necessary to support it. Grhc develops and protects the market by increasing the awareness of the economic social and environmental benefits of green roofs green walls and other forms of living architecture through education advocacy professional development and celebrations of excellence.