Each of these layers has a specific function and is necessary for the success of the green roof.
Green roof system section.
Flat green roof 0 5 flat roofs are ideal as green roof.
This is especially true of intensive green roofs which can have soil that is two feet deep or more.
There are a number of things to consider when designing for a green roof.
Green roof systems may be modular with drainage layers filter cloth growing media and plants already prepared in movable often interlocking grids or loose laid built up whereby each component of the system may be installed separately.
Cross section of green roofing layers.
Vegetated green roof systems tp 11 1 general 1.
One important item to design for is an increased structural load.
Green roofs are also known as vegetative or eco roofs.
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.
System components include a membrane protection layer drainage layer filter layer and a root barrier between the soil and roof.
A vegetated roof design green roof is defined as a roof membrane system with a top layer of living plants in an engineered soil blend growth medium.
The system structure for a flat water retaining green roof consists of a drainage layer with filterfleece extensive roof garden substrate and a vegetation blanket.
Shallow pitched green roof 5 25 the structure of a shallow pitched green roof differs slightly from the structure of a.