The Ontario Building Code | Obstructions by Doors
184.108.40.206. Obstructions by doors
(1) Except as provided in Sentence (4), swinging doors in their swing shall conform to Sentences (2) and (3),
(a) at exit doors,
(c) at doors that open into or are located within another facility that provides access to exit from a suite.
(2) When fully open, doors described in Sentence (1) shall not decrease the required exit width by more than,
(a) 100 mm in exitcorridors, and
(b) 50 mm for other exit facilities.
(3) The swing of doors described in Sentence (1) shall not reduce the width of the path of travel to less than,
(a) the required exitwidth in exit corridors and passageways, and
(b) 750 mm on exitstairs or landings.
(4) doors serving a single dwelling unit need not comply with Sentences (2) and (3).
Note: On July 1, 2017, Sentence 220.127.116.11.(4) of Division B of the Regulation is amended by striking out "single dwelling unit" and substituting "houseor an individual dwelling unit". (See: O. Reg. 139/17, s. 94)