Egress Window Size For Basement

Basement and bedroom egress windows must have an area that is not fewer than 3 8 ft.

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 egress windows have special requirements. 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. Wide and 4 ft.

The minimum opening area of the egress window is 5 7 square feet. If the basement area you wish to have serviced by an egress window is larger than this 8 rule allows you can use multiple egress windows to achieve the minimum 8 of glass area for natural light. This means that to meet egress window height requirements a bedroom window must be nearly 4 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.

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. 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. No egress windows are required in those homes with existing installed sprinkler systems. 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.

This height requirement takes it out of the running for most basement egress situations. Basement window requirements for egress. 38 cm in dimension. To meet irc standards egress openings must have.

The minimum egress window opening height is 24 high. To ensure you install the right egress for your basement we ll break down the residential window well code requirements you ll need to abide by. Since you re below ground you have to make sure that the window can still fully open without obstruction. To meet egress requirements these horizontally sliding windows must be at least 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. Bedroom or basement egress windows must be no less than 15 inches ca.