About: http://webisa.webdatacommons.org/131615434

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	The boards are usually laminated with foam polyethylene or an extruded polyethylene or polyvinyl chloride, glass fiber or other sheeting material, or compositions comprising different types of foam having varying stiffnesses.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com