Basement Egress Window Size Requirements

Size 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.

Basement egress window size requirements.

The nbcc dictates that there must be a permanent ladder or step affixed to the basement egress window in order to. The sill must be no higher than 44 inches from the ground. Egress window well code requirements. 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.

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. In addition the egress window requirements for basements specifies that they be at least 36 inches in height and width. Wide and 4 ft. This height requirement takes it out of the running for most basement egress situations.

Windows can be of various total size but their free areas when open must be at least 5 7 square feet. To meet egress requirements these horizontally sliding windows must be at least 4 ft. Basement egress window requirements the bottom of the egress window opening can t exceed 44 from the finished floor. The area of the window well shall allow the emergency escape and rescue opening to be fully opened.

For ground floor maximum sill height above 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. Basement egress windows must also include window. For determining egress window sizes and placement the international building code holds that every bedroom must contain.

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. The minimum opening area of the egress window is 5 7 square feet. The minimum egress window opening height is 24 high. 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.

Minimum height of opening. Minimum width of opening. To meet irc standards egress openings must have. Minimum net clear opening.