Types of Glass and Protection of Glass

(1)  Glass sidelights greater than 500 mm wide that could be mistaken for doors, glass in storm doors and glass in sliding doors within or at every entrance to a house or an individual dwelling unit and in public areas shall be,


    (a)   safety glass of the tempered or laminated type conforming to CAN/CGSB-12.1-M, “Tempered or Laminated Safety Glass”, or

    (b)   wired glass conforming to CAN/CGSB-12.11-M, “Wired Safety Glass”.

    (2)  Except as provided in Sentence (4), glass in entrance doors to houses or individual dwelling units and in public areas, other than the entrance doors described in Sentence (1), shall be safety glass or wired glass of the type described in Sentence (1) where the glass area exceeds 0.5 m2 and extends to less than 900 mm from the bottom of the door.

    (3)  Except as provided in Sentence (4), transparent panels that could be mistaken as a means of egress shall be protected by barriers or railings.

    (4)  Sliding glass partitions that separate a public corridor from an adjacent occupancy and that are open during normal working hours need not conform to Sentences (2), (3) and (5), except that such partitions shall be suitably marked to indicate their existence and position.

    (5)  Except as provided in Sentence (4), every glass or transparent door accessible to the public shall be equipped with hardware, bars or other permanent fixtures designed so that the existence and position of such doors is readily apparent.

    (6)  Glass, other than safety glass, shall not be used for a shower or bathtub enclosure.

Article Ontario Regulation 332/12 Building Code,   O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021.