About: http://webisa.webdatacommons.org/256615319

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	Flat roof leaks mostly occur either at the seams or around roof penetrations such as vent pipes / drains / HVAC curbs / sky-lights, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	coolflatroof.com