About: http://webisa.webdatacommons.org/198946494

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	R-8, R-11, or R-14 insulating windows - R-values were tested across the glass, including the frame, and not just at center - Reported to triple the R-value of the frame compared to previous models - Insulated fiberglass frame
http://www.w3.org/ns/prov#wasQuotedFrom	architectmagazine.com