About: http://webisa.webdatacommons.org/85714740

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 maximum horizontal run should not exceed 3 ft. (92 cm) with a 1/4 rise per foot. ??? No part of the chimney connector may pass through an attic or roof space, closet or other concealed space, or through a floor or ceiling.
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com