MODULAR TRAY GREEN ROOF SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Mar 24, 2016
app pub date -
Sep 21, 2015
filing date -
Sep 19, 2014
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Abstract
An exemplary tray for a module of a green roof system includes a bottom surface and a sidewall extending upward from the perimeter of the bottom surface to a lip. The tray may be formed of thermoplastic fiber. The bottom surface has one or more raised portions that divide the bottom surface into a plurality of cells. The raised portions form water drainage channels. At least the bottom surface of the tray has a porosity of about 50 percent to about 80 percent.
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