About: http://webisa.webdatacommons.org/156246141

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	Flex was an early developer of the modified PVC membranes incorporating the Dupont??? Elvaloy?? KEE flexibilizer and pioneered manufacturing the fleece backed single ply membrane for adhered applications.
http://www.w3.org/ns/prov#wasQuotedFrom	vinylroofs.org