/// green roofs

City Hall Green Roof, Chicago, IL

Since the 1960's green roofs have been used in Europe vastly, for the USA it is a much newer technology. Green roofs are vegetated and soil surfaces over the roof waterproofing membrane of a flat slab. This type of roofs emulate natural processes, they serve a storm water retainers, the water held in the soil can percolate and be collected to do the irrigation or treated to be used in the building, it is an insulator dropping the heat/cool coefficients for a building, serves as a natural sound proofer and reduces the cities urban island effect.
These eco-roofs are also aesthetically pleasant for the building users and other taller buildings near by. If in a city several buildings have them they can work as a big park system, that relates to the grid having elevated plaza/gardens that are somewhat semi-private.

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posted by Gissi J. at


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