Window Height Off Floor Code

In dwelling units where the top of the sill of an operable window opening is located less than 24 inches 610 mm above the finished floor and greater than 72 inches 1829 mm above the finished grade or other surface below on the exterior of the building the operable window shall comply with one of the following.

Window height off floor code.

Fixed or operable windows must include safety glass if they measure larger than 9 feet square the bottom edge is less than 18 inches above the floor the top edge is more than 36 inches above the. 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. Egress window well code requirements. 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 truth is that there is no normal height of a window from the floor. Where to install windows with tempered glass is not just dictated by the height of the window. 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. It can be simply calculated by following calculations windows height from floor level height of door height of window.

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. Window placement is greatly varied as exemplified by the narrow windows placed real high in 1950s tract housing and the low and tall openings located almost on the the floor in suburban mansions of recent years. So the standard height of the door from floor level is 2 1 m or 7 ft. 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.

Exceptions can be made for windows that do not open more than 4 inches or that have window guards or opening control devices in compliance with astm f2090 17.