Green roof designs are becoming more common in the United States. A CNN technology focus article (“continued” link below) describes this trend in urban architecture, including a note on the market’s 80 percent expansion in the past year. Geosynthetics are often vital to sealing, drainage management and soil retention in these constructions. The American Society of Landscape Architects (ASLA) recently installed a green roof and offers a photo journal on its page detailing the construction process. Geosynthetics were installed in the middle of April. Please cut and paste http://www.asla.org/land/050205/greenroofcentral.html# into your browser to view the photo journal.

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