National Building Code 9.7.1.2: Bedroom Windows

1) Except where the suite has a sprinkler, each bedroom or combination bedroom shall have at least one outside window or exterior door operable from the inside without the use of key, tools or special knowledge and without the removal of sashes or hardware.

2) The window referred to in Sentence (1) shall provide and unobstructed opening of not less than 0.35 m2 in area with no dimension less than 380 mm, and maintain the required opening during an emergency without the need for additional support.

3) If the window referred to in Sentence (1) is provided with security bars, the security bars shall be operable from the inside without the use of any tools or special knowledge.