The Ontario Building Code | Wired Glass or Glass Block

9.9.4.3. wireref ="http://thehandyforce.com/electrical/" title ="Electricians in East York">wired glass or glass Block

(1) This Article applies to wireref ="http://thehandyforce.com/electrical/" title ="Electricians in East York">wired glass in doors, and wireref ="http://thehandyforce.com/electrical/" title ="Electricians in East York">wired glass or glass block in sidelights, where these are installed in fire separationsbetween exit enclosures and floor areas.

(2) Except as provided in Sentence (3), the combined area of glazing in doors and sidelights shall not exceed 0.8 m².

(3) Where an exit enclosure connects with a floor area through an enclosed vestibule or corridor separated from the floor area by fire separations having not less than a 45 min fire-resistance rating, the glazed areas described in Sentence (1) need not be limited as required in Sentence (2).