Asphalt shingles: What’s wrong with them?
Asphalt shingles are unresistant to hail and dramatic temperature changes. They only last an average of 15 years. When old, nonfunctional shingles are removed from a home, they usually are not recycled and end up in landfill. “The amount of asphalt shingles that goes into landfills on an annual basis is approximately 7-10 million tons.” If asphalt shingles are recycled, the recycling product often is not safe nor environmentally-friendly For example, one recycling company sold tons of mulched asphalt shingles for landscaping. “In 2004, the DEQ determined that the mulch contains toxins such as arsenic arsenic and polyaromatic hydrocarbons in concentrations higher than those considered safe for soils at residential and commercial settings. The agency directed Darold Smith, owner of the Springfield manufacturing site, to stop selling the mulch to homeowners and nonindustrial firms” Read more about that here: http://www.articlesnatch.com/Article/The-Dirty-Truth-About-Asphalt-Shingle-Roofs/670123#ixzz13NkvJouD
Abbreviation for the Incoterm “Delivered Ex Quay.”
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