If you were to look at a cross section of a green roof system you would typically see the following layers from top.
Green roof systems cross section.
Leed and green globes.
Container gardens on roofs where plants are maintained in pots are not generally considered to be true green roofs although.
The normal 10 15 year reroofing cycle provides a window of opportunity to investigate the potential of applying a longer lasting green roof.
Green roofs are also called eco roofs or living roofs.
Flat green roof 0 5 flat roofs are ideal as green roof.
Trees too can be part of a green roof system.
Go green with a roof garden from bauder.
These systems are ideal for efficient stormwater.
Replacing the impervious surface of a conventional roof with.
Extensive green 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.
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.
Many manufacturers of green roof systems will not provide a warranty on the green roof system if new membranes are not applied.
Garden roof assembly hydrotech s garden roof assemblies combine the proven performance of our monolithic membrane 6125 roofing waterproofing with proven green technology.
Unlike conventional earth covered structures garden roof assemblies are lightweight and can be installed on a wide variety of new and existing structures.
The types of plants utilized will depend on the type of green roof being installed.
A green roof protects the waterproofing membrane from damaging uv rays freeze thaw cycling and repeated foot traffic extending its lifespan.
Green roofs filter air by absorbing and converting carbon dioxide to oxygen.
Full coverage will take about two years.
Some green roofs are installed in one large integrated section while modular green roofs use small portable planting beds placed together to create a larger green.
Some green roofs in europe have lasted more than 40 years without being replaced.
Each green roof brings back a piece of nature and on some buildings a recreational space can be created for people to enjoy.
Green roofs can help reduce energy costs for a building by acting as another layer of insulation between the inside and outside of the roof.
Green roofs can be applied on inverted or traditional roofing systems.
Extensive green roof an extensive green roof system is characterized of its vegetation ranging from sedums to small grasses herbs and flowering herbaceous plants which need little maintenance and no permanent irrigation system the growing medium depth for an extensive green roof system is typically 6 inches or less.
This is most noticeable in intensive green roofs since there is a thicker and more consistent layer of soil which provides a higher insulating value.
Cross section of green roofing layers.