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.
Extensive green roof depth.
Intensive vs extensive green roof.
Climate clearly plays a major role in choosing the best plants for a green roof.
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.
What is a green roof.
Extensive green roofs are designed to be low maintenance lightweight systems with no general access.
Intensive roofs which are thicker with a minimum depth of 12 8 cm 5 1 16 in and can support a wider variety of plants but are heavier and require more maintenance and extensive roofs which are shallow ranging in depth from 2 cm 13 16 in to 12 7 cm 5 in lighter than intensive green roofs.
This deeper soil allows intensive roofs to accommodate large plants and dramatic plant groupings.
Therefor a significant amount of attention must be paid to the various.
Intensive green roof garden roof roof garden an intensive green roof system is characterized by its variety of vegetation ranging from herbaceous plants to small trees with professionel maintenance and advanced green roof irrigation systems a typical growing medium depth of an intensive green roof is 6 inches or more intensive green roofs offer a great potential for.
They may include a granular drainage medium multi course or a synthetic drainage layer multi layer.
Extensive green roofs sedum roof systems.
Semi extensive green roof.
There are two types of green roof.
Intensive green roofs weigh from 35 pounds to beyond 100 pounds per square foot when dry it is all a matter of the soil depth which is affected by the amount of mounding that is used.
Typically they have thin layers of substrate the growing medium to keep depth and weight to a minimum.
The plants chosen must be appropriate for the roof type extensive intensive or semi intensive.
Green roofs are also known as vegetative or eco roofs.
A semi extensive green roof sits somewhere in between the two main options and is based on the extensive roof principles.
Another term for these green roofs is rooftop garden intensive green roofs require more maintenance because of the plant varieties they.
These systems are ideal for efficient stormwater.
Although there are no precise definitions of.
Along with the makeup and depth of the growing medium selecting the right plants is crucial to the success of a green roof.
The most popular type of green roof sedum roofs are extensive green roofs that have a total depth of 3 to 8 inches.
Tray systems are not a viable option for intensive roofs due to the weight.
The intensive green roof uses planting mediums that have greater depth than the extensive green roof.
They fall into three main categories extensive intensive and semi intensive.
