Thickness of Subflooring Table 9.23.14.5.A. Forming Part of Sentences 9.23.14.5.(1) and 9.23.15.7.(1) [mm]: Inche(s): = Table 9.23.14.5.A. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. Similar articles Subflooring Required Subflooring Material Standards Subflooring Edge Support Floor Performance