Green roof components growing media water holding capacity field capacity maximum water capacity astm test.
Green roof section dimensions.
There are many types of waterproofing membrane.
Green roofs allow energy saving due to a reduction in summer air condi tioning of 25 let alone the fact that the heat resistance of green roofs is higher and benefits are also gained in terms of winter heating in germany more than 10 of roofs are green roofs.
They fall into three main categories extensive intensive and semi intensive.
The key to any good green roof project is a good waterproofing membrane.
Moisture retained by media that cannot be removed aka wilt point 12 18 typ.
Moisture retained by saturated media after free draining 40 60 typ.
And to ensure the appropriate green roof assembly relative to the membrane chosen is provided it is important to understand how they work and how they are installed.
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.
There are two types of green roof.
G 1 extensive green roofs have a much shallower growing media layer that typically ranges from 3 to 6 inches thick.
Green roofs are also known as vegetative or eco roofs.
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.
What is a green roof.
31 0 45 820 09 70 verkoop nophadrain nl.
Cad drawings extensive green roof.
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.
Nophadrain extensive green roof system.
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 and require minimal maintenance.
See more ideas about green roof roof roof garden.
We have vegetative roof details in pdf dwg autocad and autodesk revit rvt 2d and rfa 3d formats.
In the city of chicago alone a weston design consultant study estimates the.
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.
G 2 intensive green roofs have a growing media layer that ranges from 6 to 48 inches thick.