The Ontario Building Code | Openings to be Protected With Closures

9.10.9.3. openings="http://thehandyforce.com/windows/" title ="Window installer in Toronto">openings to be protected With Closures

(1) Except as permitted in Articles 9.10.9.5. to 9.10.9.7., openings="http://thehandyforce.com/windows/" title ="Window installer in Toronto">openings in required fire separations shall be protected with closures conforming to Subsection 9.10.13.