A green roof or living roof is a roof of a building that is partially or completely covered with vegetation and a growing medium planted over a waterproofing membrane it may also include additional layers such as a root barrier and drainage and irrigation systems.
Why build a green roof.
Two types of green roof exist.
Green roofs reduce stormwater runoff.
It d be wise to borrow a copy or two for all of the finer details.
A green roof that has been properly installed and maintained should extend the lifespan of a roof 2 3 times its normal life.
Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although.
This article provides only a basic overview to get you started in thinking about the requirements for putting together a green roof.
The benefits described below can be achieved by virtually all green roof systems and designs.
Entire detailed books exist on building and maintaining green roofs.
The popularity of green roofs has increased in the united states due to their many benefits while pretty green roofs serve a much greater purpose than simple beautification.
But they also must create a growing area and potentially provide support irrigation and root protection barriers while staying as light as possible.
European roofs can last between 30 and 50 years.
Unlike traditional black tar roofs green roofs reduce energy costs by absorbing heat instead of attracting it and.
A green roof also known as a rooftop garden or a living roof is a vegetative layer grown on a rooftop.
While all green roofs have similar functions each installation is unique so technical performance will vary by region climate building and green roof type and design.