Patent ID: 8323749

Claim:
A method for sealing natural stone tiles and articles comprising: a) cleaning the natural stone tile or article; b) conditioning the natural stone tile or article to a specified surface temperature of about 30° C. to about 40° C. by exposing the natural stone tile or article to a regulated amount of heat from one or more heat sources selected from the group consisting of infrared (IR) heating and convection heating; c) conditioning liquid UV-curable solventless primer comprising 2% to 6% of an acid functional reagent selected from the group consisting of beta-carboxyethyl acrylate (β-CEA) and 2-hydroxy ethyl methacrylate phosphate, and UV-curable solventless top sealant by heating to a temperature of about 25° C. to about 40° C.; d) applying the conditioned UV-curable solventless primer, and exposing the primer to UV radiation sufficient to partially cure the applied primer; e) applying the UV-curable solventless top sealant; and, f) exposing the primer and sealant to UV radiation sufficient to cure the primer and top sealant.