Extensive green roof system.
Green roof layers revit.
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There is a drainage layer which i was not sure how to categorize i would have used membrane but had to end up using thermal air.
Cityflor green roof systems sbs modified bitumen membranes suitable for use in roof gardens intensive green roof extensive brown roof biodiverse roof or protected terrace balcony specifications.
There are several membrane type layers which according to revit cannot have thickness.
Although there are no precise definitions of them an extensive green roof has a shallow growing medium usually less than six inches with a modest roof load limited plant diversity minimal.
Green roofs are also known as vegetative or eco roofs.
They fall into three main categories extensive intensive and semi intensive.
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Ecomat is a protective layer created from recycled polyester clothing and fabric.
When there is no variable thickness layer the whole roof or floor slopes and maintains constant thickness between parallel top and bottom faces.
Two layer bituminous membrane waterproofing designed to be used under green roof finishes.
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However it seems that the membrane layers on the green roof such as the filter membrane do indeed require thickness.
What is a green roof.
Free to use green roof system bim object from single ply roofing association.
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The variable thickness parameter can be selected to modify the layer thickness of a roof or structural floor.
Promat for intensive green roofs is made of granulate from recycled shredded tyres reformed and bound by polyurethane to give a protective layer against mechanical damage.
Creating a green roof.