Requirements of egress bedroom windows.
Egress window size ontario building code.
Size requirements of the egress window.
Specific requirements for egress basement windows in canada the window well size of egress windows in basement must meet the above criteria and also must have an opening with a depth of 30 inches 0 76 m and must be 76 cm from the wall.
Forming part of sentence 9 7 2 3 1.
The minimum egress window opening is 20 wide.
Windows referred to above shall provide unobstructed openings with areas not less than 0 35 m2 3 8ft2 with no dimension less than 380 mm 15 in.
Minimum window areas 1 except as required in article 9 9 10 1.
The minimum opening area of the egress window is 5 7 square feet.
An egress window must open at least 20 inches wide and 24 inches high with a net clear open area of 5 7 feet square.
Window wells serving an egress window shall not be less than 9 square feet in area with a horizontal length width of no less than 36 inches.
To ensure the unobstructed opening meets these criteria you should measure between the sashes jambs sills and opening mechanisms.
No less than 15 inches 380 mm measure your windows between the sashes sills jambs as well as between the opening mechanisms.
The ontario building code minimum window areas 9 7 2 3.
Following are the requirements of egress window ontario set forth by the nbcc for ontario residents.
And sentence 3 the minimum window glass area for rooms in buildings ofresidential occupancy or rooms that are used for sleeping shall conform to table 9 7 2 3.
The ontario building code egress windows or doors for bedrooms 9 9 10 1.
Glass areas for rooms of residential occupancy.
Maximum 44 inches to window sill measured from finished floor.
The minimum egress window opening height is 24 high.
The sill must be no higher than 44 inches from the ground.
Windows can be of various total size but their free areas when open must be at least 5 7 square feet.
Window wells greater than 44 inches in depth requires a permanently fixed ladder or steps to provide access.
Area for egress windows.