About: http://webisa.webdatacommons.org/366276938

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	Biggest problem is heat expands and contracts roofing and any penetration such as curbs or drains or pipes or parapet walls where the roofing is turned 90 degrees is an area where failure is usually found first.
http://www.w3.org/ns/prov#wasQuotedFrom	bigscreenbiz.com