The Ontario Building Code | Doorway Opening Sizes

9.5.11.1. doorway ="http://thehandyforce.com/doors/" title ="Toronto Door installer">doorway Opening Sizes

(1) Except as provided in Articles 9.5.11.3., 9.9.6.2. and 9.9.6.3., doorway ="http://thehandyforce.com/doors/" title ="Toronto Door installer">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.

Table 9.5.11.1.
Minimum door Sizes

Forming Part of Sentence 9.5.11.1.(1)

Item

Column 1

At Entrance to:

Column 2

Minimum Width, mm

Column 3

Minimum Height, mm

1.

Dwelling unit (required entrance)

810

1 980

Vestibule or entrance hall

2.

Stairs to a floor level that contains a finished space

810

1 980

All doors in at least one line of passage from the exterior to the basement

Utility rooms

3.

Walk-in closet

610

1 980

4.

Bathroom, water closet room, shower room(1)

610

1 980

5.

Rooms located off hallways that are permitted to be 710 mm wide

610

1 980

6.

Rooms not mentioned above, exterior balconies

760

1 980

Notes to Table 9.5.11.1.:

(1) See Article 9.5.11.3.