Doorway Opening Sizes

(1)  Except as provided in Articles 9.5.11.3., 9.9.6.2. and 9.9.6.3., doorway openings within dwelling units shall be designed to accommodate at least the door sizes in Table 9.5.11.1. for swing-type doors or folding doors

Article 9.5.11.1 Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.