About: http://webisa.webdatacommons.org/411389348

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	There are ones designed for various thicknesses of walls and door and different kinds of construction.
http://www.w3.org/ns/prov#wasQuotedFrom	websleuths.com