Each year more than 40 tones of shingle by-product, the shingles left over from the manufacturing process, are produced in Minnesota and the only option for disposal is landfilling. An asphalt shingle contains the same basic ingredients as hot-mix asphalt; aggregate, asphalt cement and mineral filler.
This video looks at the benefits and research done using shingle by-products in the production of pavement. The next challenge will be to look at tear-off shingles, those shingles from residential homes.
Available for free* two-week loan from:
Learning Resource Center & Library
Minnesota Pollution Control Agency
520 Lafayette Rd North
St. Paul MN 55155
651-757-2120 or 800-877-6300
*borrower pays return postage.