Ceramic Tile Substrate
(1) Ceramic tile shall be set in a mortar bed or applied to a sound smooth base with a suitable adhesive.
(2) Panel-type subfloor to which ceramic tile is to be applied with adhesive shall have its edges supported according to Article 9.23.14.3.
Article 9.30.6.1. Ontario Regulation 332/12 Building Code, O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021