Minimum Bedroom Window Size

The trickiest part is the window egress.

Minimum bedroom window size. Minimum window sill heights. 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. According to the 2018 irc all windows that are more than 6 feet above the grade outside the window must have a bottom opening a minimum of 24 inches above the room s interior floor. Multiply the width by the height of the opening to determine whether it s the required 5 7 sq.

At least half of the bedroom ceiling has to be at least 7 feet tall. No matter where in the house a bedroom is it must meet all the safety regulations. Also the irc mandates a minimum distance between the finished floor of the room and the window sill of 24 inches to prevent a child from falling out of an open window. Any bedroom needs to have a ceiling that is tall enough for people to walk comfortably under typically 7 feet high or greater.

As i mentioned above a bedroom window can be between 24 and 44 inches from the floor it needs at least 5 7 square feet for the opening and it must measure no less than 24 inches high and 20 inches wide r310 1. However in order to be considered a bedroom the room must have heat a window large enough to escape through if you had to and a closet. The required opening size must be met by normal operation without requiring any tools or special knowledge for the window to open. But if you live in an older pre owned home open your bedroom windows fully pull out a tape measure and see if the opening meets current egress requirements.

To qualify a basement window as an egress you may also have to install window wells to enlarge windows and allow access. 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. So you can put a bed in a loft area with less than. For determining egress window sizes and placement the international building code holds that every bedroom must contain at least one egress window.

If the sill is below ground the window itself will need larger dimensions 9 square feet. 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. However either or both requirements may be reduced or waived if sufficient artificial light sources and mechanical ventilation are supplied. Codes require new homes to have the proper size basement and bedroom egress windows.

For lighting purposes a window s viewing size must be proportional to 8 of the room s floor area with an opening no less than 4 of the room s floor area for proper ventilation.