Egress Window Size For Basement

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.

Egress window size for basement. Basement egress window requirements the bottom of the egress window opening can t exceed 44 from the finished floor. Basement window requirements for egress. No egress windows are required in those homes with existing installed sprinkler systems. To meet irc standards egress openings must have.

Window well size the area of a window well shall not be less than 9 square feet with a horizontal length width of no less than 36 inches. 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. A minimum net clear opening of 5 7 feet the actual free space that exists when the window is open or the size people can crawl through opening width of at least 20 inches opening height of at least 24 inches. This means that to meet egress window height requirements a bedroom window must be nearly 4 ft.

This height requirement takes it out of the running for most basement egress situations. Bedroom or basement egress windows must be no less than 15 inches ca. Basement egress windows have special requirements. Wide and 4 ft.

For ventilation the window s clear open area in square feet must be at least 4 of the total floor area that the egress window is servicing. When the sill height of an egress window is located below grade common for egress windows provided for a basement a window well must be provided. The minimum opening area of the egress window is 5 7 square feet. To meet egress requirements these horizontally sliding windows must be at least 4 ft.

38 cm in dimension. Provided the minimum net clear opening size complies with sections r310 1 1 to r310 1 3 and such devices shall be releasable or removable from the inside without the use of a key tool or force greater than that which is required for normal operation of the escape and rescue opening. Since you re below ground you have to make sure that the window can still fully open without obstruction. Basement and bedroom egress windows must have an area that is not fewer than 3 8 ft.

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 minimum egress window opening height is 24 high.