Mortar Use Table 9.20.3.2.A.Mortar Use Forming Part of Sentence 9.20.3.2.(1) Table 9.20.3.2A. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. Similar articles Grout Mix Proportions (by Volume) Continuity of the Air Barrier System Mortar and Grout Mixes Wall Studs