TITLE

Green Is Coming Out on Top

AUTHOR(S)
Stromberg, Meghan
PUB. DATE
July 2005
SOURCE
Planning;Jul2005, Vol. 71 Issue 7, p22
SOURCE TYPE
Trade Publication
DOC. TYPE
Article
ABSTRACT
This article focuses on the increasing popularity of green roofs in the U.S. Green roofs, also called living roofs, eco-roofs, or vegetated roofs, are not the stuff of some make-believe world. In fact, green roofs are becoming a sustainable alternative for buildings because they offer a number of environmental and economic benefits, both to building owners and the larger community. Although hardly commonplace here--Germany and other European nations are far ahead in the development of technologies and products--living roofs have nevertheless gained purchase in the U.S. Chicago boasts 120 green roof projects--either finished or in various stages of development--amounting to almost two million square feet of vegetated roof. A green roof system consists of several layers applied to the basic roof deck: a special waterproof membrane, another membrane that prohibits root penetration, a drainage system, filter, planting medium, and plants. Special structural considerations need to be taken into account since the planting medium, plants, and detained water add weight. All roofs require a waterproof membrane, but a green roof must also be able to withstand exposure to saturated soil until it drains.
ACCESSION #
17595909

 

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