All in all egress window size requirements in canada are not hard to meet.
Basement egress window size canada.
Let s have a look at the alberta building code abc 2014 criteria that all egress windows must satisfy.
The clearance area must be thirty inches at least.
Therefore it s recommended that a step is built below the window to provide easy access in case of a fire.
Given the math involved some homeowners may expect the dimensions to be the toughest part of installing a window well.
They provide additional air ventilation and easy exit in case of emergency.
Maintain the required opening during an emergency without the need for additional support.
Your windows must meet strict measurements in order to be an egress window.
If you have bedrooms in your basement every bedroom needs to have a window that can be used as an exit in the event of an emergency.
Window mart s hopper windows are approved by provincial fire code and can be installed in basements.
Maximum 44 inches to window sill measured from finished floor.
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.
Often basements are renovated to become bedrooms.
Basement bedroom windows need the required clearance space as well as the required window size.
Hopper windows are suitable for tight areas and basements.
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.
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.
Required window wells must be at least 760mm away from the window to allow for easy exit.
However basement windows are typically higher than 1 5m above the floor.
Window wells greater than 44 inches in depth requires a permanently fixed ladder or steps to provide access.
2 bedroom window opening areas and dimensions.
All the same size and style requirements apply regardless of location.
The horizontal area of the window well needs to be a minimum of nine square feet with a minimum horizontal projection and vertical width of 36 inches.
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.
Provide and unobstructed opening of not less than 0 35 m in area with no dimension less than 380 mm and.
They must provide unobstructed openings with areas no less than 3 8ft with no dimension less than 15in.
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.