Minimum Egress Window Size Canada

The minimum opening area of the egress window is 5 7 square feet.

Minimum egress window size canada.

Unobstructed opening of not less than 0 35 m2 3 77 sq ft in area with no dimension less than 380 mm 15 inches this window should maintain the required opening during an emergency without the need for additional support. The nbcc details specific size requirements as. In addition the egress window requirements for basements specifies that they be at least 36 inches in height and width with a fully functioning opening. High and 20 in.

Basement window size requirements also must have a certain amount of clearance in front of the window in order to be up to code. Note that a window opening that s the bare minimum of 24 in. A window has to be taller and or wider than these minimums to meet the 5 7 sq ft opening requirement. 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.

What is the minimum size for egress windows. A 9 9 10 1 2 bedroom window opening areas and dimensions. Basement egress windows must have window wells that are 760m from the window and opening of 30 inches deep. Requirements of the basement egress window.

Bedroom or basement egress windows must be no less than 15 inches ca. Although the minimum opening dimensions required for height and width are 380 mm a window opening that is 380 mm by 380 mm would not comply with the minimum area requirements. 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. See figure a 9 9 10 1 2 figure a 9 9 10 1 2 window opening areas and dimensions.

Minimum 24 inches of net clear height opening. Let s have a look at the alberta building code abc 2014 criteria that all egress windows must satisfy. Basement window size egress requirements basement window size requirements include the basics of a bedroom window. Maximum 44 inches to window sill measured from finished floor.

Minimum 20 inches of net clear width opening. The clearance area must be thirty inches at least. The minimum egress window opening is 20 wide. It must be at least 5 7 square feet that is at least 20 inches wide by 24 inches high with an opening no higher than 44 inches from the floor.

No egress windows are required in those homes with existing installed sprinkler systems. Egress basement windows are required by law to have some sort of step stairs underneath to provide a safe easy escape route during an emergency. Wide does not meet egress requirements since its net clear opening is only 3 33 sq. 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.