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Seattle’s Largest Green Roof Over 1.4 Acres!

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seattle, green roof, bill gates foundation, sustainable

There are green roofs — and then there are green roofs that cover over 60,000 square feet. Such is the living behemoth above the Gate’s Foundation garage in Seattle. From the article,

The Gates roof has five inches of soil over a layer of synthetic drainage. Other styles of constructing green roofs include sod-based roofs and planter-based roofs. Models predict the roof will treat about 90 percent of the water that falls on it. The other 10 percent goes into the local combined sewer overflow system.

The garage, which is now complete, resides next to the under-construction $500 million Bill & Melinda Gates Foundation headquarters. Both buildings are expected to receive Gold LEED certification.

More pictures available after the jump.

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  1. How often have I lain beneath rain on a strange roof, thinking of home ~ William Faulkner « GreenLandOceanBlue said,

    July 20, 2009 at 10:50 am

    [...] Seattle’s Largest Green Roof Over 1.4 Acres! (groovygreen.com) [...]

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