Green roof construction is still not common and it requires both a contractor and waterproofing manufacturer with documented experience in these systems.
Green roof building advice.
Also the project should require a single source warranty that includes the waterproofing and green overburden under a single responsible party.
Bd c asked several green roof specialists who have worked on sloped systems for their advice on designing and building these systems.
Residential green roofs such as theirs protect natural waterways from oily street residue by lessening the chances that municipal storm drain systems will overflow.
Coordination of trades is crucial.
Insulation effects in the winter keeps the building warmer.
Your green roof design will depend on the roof your preferred green roof system as well as your desired build up and vegetation.
Green infrastructure also increases the property value of the building.
It also keeps the room below it warmer in winter and as much as 6 to 8 degrees cooler in summer thereby reducing utility costs.
The green roof design needs to accommodate adequate water retention suitable drainage structural loading and the depth of green roof growing substrate.
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.