The Ontario Building Code | Wired Glass as a Closure
9.10.13.5. wireref ="http://thehandyforce.com/electrical/" title ="Electricians in East York">wired glass as a Closure
(1) wireref ="http://thehandyforce.com/electrical/" title ="Electricians in East York">wired glass conforming to Article 9.6.1.2. that has not been tested in accordance with Article 9.10.3.1. is permitted as a closure in a vertical fire separation required to have a fire-resistance rating of not more than 1 h provided such glass is not less than 6 mm thick and is mounted in conformance with Sentence (2).
(2) wireref ="http://thehandyforce.com/electrical/" title ="Electricians in East York">wired glass described in Sentence (1) shall be mounted in fixed steel frames having a minimum metal thickness of not less than 1.35 mm and a glazing stop of not less than 20 mm on each side of the glass.
(3) Individual panes of glass described in Sentence (1) shall not exceed 0.8 m² in area or 1.4 m in height or width, and the area of glass not structurally supported by mullions shall not exceed 7.5 m².
In Plain Language
Wired glass may serve as a closure under the conditions set out in this article, since this specific glass type has recognized fire-resistance properties.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.