S.D. construction firm recycles roofing shingles into asphalt pavement

09/25/2011 | KELO-TV (Sioux Falls, S.D.)

A construction firm in Sioux Falls, S.D., is recycling used roofing shingles into asphalt roads. Concrete Materials grinds the piles of shingles into small pieces, and then combines them with recycled asphalt to make new roads. The initiative helps the company save on oil and natural aggregate used to make new asphalt pavement.

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KELO-TV (Sioux Falls, S.D.)

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