Window Height Off Floor Code

Window height varies by location style and period.

Window height off floor code.

So there are not minimum heights implied only protection from falling. Note that a 24x20 inch window does not meet code because it creates only a 3 3 square foot opening. Only exception is if the window is less than 9 sq ft. The cills to these windows can provide platforms to aid climeability by children.

Windows height from floor level height of door height of window 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. If the cill height is less than 800mm from finish floor level regualtions state a suitable guard to be incorporated within the opening. Building regs part l k2 answered 6th jul 2011. Increasingly designers are incorporating deeper windows or french doors with low level cills into their dwelling designs.

The code regulates this minimum sill height only when the window opening is more than 72 inches above the grade below. If it s an egree window like in a bedroom the bottom. Any windows in a door must have tempered glass no matter the height unless it is too small for a 3 inch ball to pass through the window. The truth is that there is no normal height of a window from the floor.

To meet code the open area of an egress window must have a minimum width of 20 inches and a minimum height of 24 inches plus the opening must be a minimum of 5 7 square feet. The approved documents provide recommendations for the minimum height of windows above floor level and guarding for windows where they fall below these levels. If you are installing windows within 2 feet of a door and lower than 5 feet from the ground you need tempered glass in the windows even though these might be higher than 18 inches from the ground. If the bottom edge of the window is less than 18 above the floor it has to be tempered.

R312 2 1 window sills 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. 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.