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[[File:Pass Filter Bed green roof.PNG|400px|thumb|right|Fully constructed green roof.]]
[[File:Pass Filter Bed green roof.PNG|500px|thumb|right|Fully constructed green roof.]]
=Overview=
=Overview=
[[Green roofs]] are composed of several layers (waterproof membrane or existing membrane, root barrier, drainage layer, filter fabric, growing medium) that support the growth of plants and other vegetation on top of a roof. Growing medium depth determines which plants can be planted, and the components of green roofs can either be loose-laid or fused together. The proper installation of green roofs can help to achieve water balance targets, promote biodiversity and provide green space. Some key resources for green roof construction include the following:
[[Green roofs]] are composed of several layers (waterproof membrane or existing membrane, root barrier, drainage layer, filter fabric, growing medium) that support the growth of plants and other vegetation on top of a roof. Growing medium depth determines which plants can be planted, and the components of green roofs can either be loose-laid or fused together. The proper installation of green roofs can help to achieve water balance targets, promote biodiversity and provide green space. Some key resources for green roof construction include the following:
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|Layered system
|'''Layered system'''
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#Sweep and blow the roof membrane clear and free of dirt, debris, and any sharp objects (such as metal flashing clippings)
#Sweep and blow the roof membrane clear and free of dirt, debris, and any sharp objects (such as metal flashing clippings)
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<gallery mode="packed" widths=300px heights=300px>
<gallery mode="packed" widths=200px heights=200px>
GRPerimeter.JPG | Green roof perimeter installation (Photo Source: CVC)
GRPerimeter.JPG | Green roof perimeter installation (Photo Source: CVC)
GRdrainagelayer.JPG | Green roof root barrier and drainage layer installation (Photo Source: CVC)
GRdrainagelayer.JPG | Green roof root barrier and drainage layer installation (Photo Source: CVC)
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Grfinishedsoil.JPG | Finished installation of green roof soil media prior to vegetation (Photo Source: CVC)
Grfinishedsoil.JPG | Finished installation of green roof soil media prior to vegetation (Photo Source: CVC)
GRveginstall.JPG | Completed installation of green roof sedum vegetation (Photo Source: CVC)
GRveginstall.JPG | Completed installation of green roof sedum vegetation (Photo Source: CVC)
Green Roof Shed.JPG | Modular green roof system (Newtben33, 2013)<ref>Newtben33. 2013. Green Roof Shed. 20 May 2013. Accessed 21 September 2022. https://commons.wikimedia.org/wiki/File:Green_Roof_Shed.JPG</ref>
Green Roof Shed.JPG | Modular green roof system (Newtben33, 2013)<ref>Newtben33. 2013. Green Roof Shed. Photo. Accessed 21 September 2022. https://commons.wikimedia.org/wiki/File:Green_Roof_Shed.JPG</ref>
Toronto City Hall Podium green roof by LiveRoof, July 2010.jpg | Toronto City Hall Podium green roof by LiveRoof, July 2010 (GreenRoofGardener, 2010)<ref>GreenRoofGardener. 2010. Toronto City Hall Podium green roof. 21 July 2010. Accessed 21 September 2022. https://commons.wikimedia.org/wiki/File:Toronto_City_Hall_Podium_green_roof_by_LiveRoof,_July_2010.jpg</ref>
Toronto City Hall Podium green roof by LiveRoof, July 2010.jpg | Toronto City Hall Podium green roof by LiveRoof, July 2010 (GreenRoofGardener, 2010)<ref>GreenRoofGardener. 2010. Toronto City Hall Podium green roof. Photo. Accessed 21 September 2022. https://commons.wikimedia.org/wiki/File:Toronto_City_Hall_Podium_green_roof_by_LiveRoof,_July_2010.jpg</ref>
</gallery>
</gallery>