Green Roof System Section

Green roofs are also known as vegetative or eco roofs.

Green roof system section.

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. Green roof development involves the creation of contained green space on top of a human made structure. Shallow pitched green roof 5 25 the structure of a shallow pitched green roof differs slightly from the structure of a. Each of these layers has a specific function and is necessary for the success of the green roof.

System components include a membrane protection layer drainage layer filter layer and a root barrier between the soil and roof. Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although. Vegetated green roof systems tp 11 1 general 1. One important item to design for is an increased structural load.

Cross section of green roofing layers. 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. 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.

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.