They are differentiated on the basis of plant selection growing medium type and overall cost.
Green roof support structure.
The traditional insulation is formed by the normal roof structure.
Generally there are two types of green roof systems.
Height of the green roof systems which will affect upstand requirements weight range of each system which may determine the structural support you need maintenance needs for green roofs and.
Specification drivers for green roofs.
Lightweight green roof 0 15 sometimes a flat roof support structure requires a lightweight green roof.
If you are in the pre construction stages of a building then that s the time to make structural adjustments so a green roof can be included.
For both of these we need to follow specific green roof construction and maintenance procedures.
No matter what kind of green roof you are considering for an existing structure a structural assessment is necessary to be sure the roof will support the new loads.
All three types of roofs require specific layers of roofing materials not found on regular roofs.
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.
The basic anatomy of a green roof consists of vegetation growing medium filter membrane drainage layer waterproof root repellant layer roofing membrane support for plantings above thermal insulation vapor control layer and structural roof support.
Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although.
Green roof planting options.