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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	METAL RECYCLING YOUR ROOF GUIDELINES FOR ROOFERS COMPOSITION SHINGLES There are many types of composition shingles on the market today, manufactured by companies such as Certainteed, Pabco, Elk, GAF, Owens-Corning and Malarkey.
http://www.w3.org/ns/prov#wasQuotedFrom	stoutroof.com