About: http://webisa.webdatacommons.org/211591543

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 best answer is perhaps a qualified, ???It depends.??? Generally speaking darker granites like Ubatuba and Tropic Brown do not need sealing very often, and once per year is usually sufficient.
http://www.w3.org/ns/prov#wasQuotedFrom	precisionstoneworks.com