No less than 3 8 ft 2 0 35 m 2 minimum dimension for egress windows.
Egress window size ontario building code.
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 minimum window areas 9 7 2 3.
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.
Glass areas for rooms of residential occupancy.
The sill must be no higher than 44 inches from the ground.
Minimum window areas 1 except as required in article 9 9 10 1.
The minimum egress window opening is 20 wide.
Size requirements of the egress window.
Forming part of sentence 9 7 2 3 1.
The egress window must have a glass area of not less than 8 of the total floor area of room s for which it is servicing to allow the minimum amount of sufficient natural light.
To ensure the unobstructed opening meets these criteria you should measure between the sashes jambs sills and opening mechanisms.
The minimum opening area of the egress window is 5 7 square feet.
Windows can be of various total size but their free areas when open must be at least 5 7 square feet.
Following are the requirements of egress window ontario set forth by the nbcc for ontario residents.
The ontario building code egress windows or doors for bedrooms 9 9 10 1.
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.
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.
Maximum 44 inches to window sill measured from finished floor.
No less than 15 inches 380 mm measure your windows between the sashes sills jambs as well as between the opening mechanisms.
The minimum egress window opening height is 24 high.
Requirements of egress bedroom windows.
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.