12/4/2008

Once dominated by landscapers, green roofs increasingly are being installed by roofing contractors, who see larger demand. Including a green roof on a new building is one way to earn points toward LEED certification, experts say. Green roofs cut emissions and stormwater runoff. Experts also note green roofs cost about twice as much as conventional roofs, but the value outweighs the cost for some customers.

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