Ecoroof redux at Ecotrust
By Christina Williams, Sustainable Business Oregon
Sustainable Business Oregon
Ecotrust's new ecoroof
In 2001 the Ecotrust building made headlines for its green features and LEED Gold status in part because of its ecoroof. By 2010, however, the green roof was in need of an overhaul and Enviroscapes Northwest stepped in.
This month, the Portland firm completed a 10-day, $68,244 total replacement of the Jean Vollum Natural Capital Building's 6,000-square-foot ecoroof.
Much has been learned about proper ecoroof installation since 2001.
"Let's call those the dark ages," said Jon Crumrine, president of Enviroscapes.
The drainage layer of the original installation — most green roofs fail because of too much water — was faulty, resulting in a boggy rooftop garden infested with weeds.
Crumrine brought in a European-trained ecoroof specialist, Gabe Varga of Diadem USA, to take a look at the Ecotrust building and recommend a course of action. Crumrine said the new roof is 100 percent guaranteed to be successful.
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