The Ontario Building Code | Number and Spacing of Egress Doors Number and Spacing of Egress doors

(1) Except for dwelling units, at least two egress doors shall be provided where,

(a) the area of a room or suite exceeds 200 m² in a Group D, E, F2 and F3 occupancy, or 150 m² in a Group C occupancy, or

(b) the distance measured from any point within a room or suite to the nearest egress door exceeds 25 m.

(2) doors required in Sentence (1) shall be spaced so that in the event one door is made inaccessible by a fire within such a room or suite, the other door will provide safe egress.