The Ontario Building Code | Wall with Limiting Distance Less Than 1.2 m
3.2.3.5. wall with Limiting Distance Less Than 1.2 m
(1) openings="http://thehandyforce.com/windows/" title ="Window installer in Toronto">openings in a wall that has a limiting distanceless than 1.2 m shall be protected by closureswhose fire-protection rating is in conformance with the fire-resistance rating required for the wall.
(2) wireref ="http://thehandyforce.com/electrical/" title ="Electricians in East York">wired glass or glass block shall not be used for a closure referred to in Sentence (1).