Minimum Height From Floor To Window Sill

When the escape opening is a window the sill height must be no more than 44 inches above the floor.

Minimum height from floor to window sill.

According to code check complete. Section r312 2 1 of the 2012 international residential code located on page 91 explains that the lowest part of the actual window opening shall be no less than two feet above the finished floor when the sill is more than six feet above the ground. Minimum window sill heights the 2018 irc continues to require the bottom of openings created by operable windows to be a minimum height of 24 inches above the adjacent interior floor when they are more than 6 feet above the grade outside the window. The minimum net clear opening is 5 7 s f.

So there are not minimum heights implied only protection from falling. It can vary depending upon the size of the window ceiling height and owner requirement. Except on the ground floor where it must be 5 s f. An illustrated guide to the building mechanical and electrical codes by redwood kardon et al conditions requiring a window to have tempered glass include a window lower than 18 inches from the ground larger than 9 square feet in area with a top higher than 3 feet above the ground and an interior or exterior path within three feet of the window.

Minimum window sill heights 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. The code regulates this minimum sill height only when the window opening is more than 72 inches above the grade below. The standard height of window from floor level is 900 mm or 3 ft. If the height of the door is 7 ft and the height of the window is 4 ft then the height of the window will be 7 ft 4 ft 3 ft.

Code for window sill height. If the cill height is less than 800mm from finish floor level regualtions state a suitable guard to be incorporated within the opening. Window openings in external walls with cill heights between 300mm and 800mm above finished floor level according to childdata 50 of four year old children can step up 410mm and 3 can step up 550mm. In such locations where the sill height is lower than 24 inches protection can be achieved by installing a barrier or limiting the dimensions of the window opening.