<http://webisa.webdatacommons.org/204498047>	<http://www.w3.org/ns/prov#value>	"This is cost effective and is especially useful when the existing roof needs repairs or has deteriorated to a point where it must be completely replaced." .
<http://webisa.webdatacommons.org/prov/166218730>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/204498047> .
<http://webisa.webdatacommons.org/204498047>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .
<http://webisa.webdatacommons.org/204498047>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .