Front Door Lock Height Standard

Locks used only for security purposes and not used for normal operation are permitted at any height.

Front door lock height standard.

All handles pulls latches locks and other operable parts of the door should measure between 34 inches and 48 inches above the floor. Door handles pulls latches locks and other operating devices shall be installed 34 inches 864 mm minimum and 48 inches 1219 mm maximum above the finished floor. The additional room allows for a 3 4 inch top jamb a shim. Most of the current locks require the standard 2 1 8 bore.

Fortunately the standards for ada door handle height are not much different than traditional recommendations. The standard residential door prep for entry doors is two 2 1 8 bore holes 5 1 2 center to center. Standard interior slab doors are 80 inches tall. Door handles pulls latches locks and other operating devices shall be installed 34 inches 864 mm minimum and 48 inches 1219 mm maximum above the finished floor.

Is now very common for newer homes and stock exterior doors are also commonly available in 30 and 32 inch widths. Lock bore the diameter of the hole for the lock body. The height of common doors is 6 feet 8 inches. Some door manufacturers sell doors in 7ft 8ft heights and door widths from 24 inches to 42 inches.

The standard height of the rough opening for a door is the door height plus 2 5 8 inches. The standard size for an exterior door is 80 inches by 36 inches which is 6 ft 8 inches by 3 ft. Installation at 40 inches is common on affordable homes mobile homes and production homes. Locks used only for security purposes and not used for normal opera tion are permitted at any height.

If you have more that 5 1 2 inches here you can still use a sectional handleset on your door. 96 inches or 8 ft. Many older doors had bores that were been smaller. Sectional handlesets have a seperate deadbolt body so the b measurement is actually variable.

If one wants to replace their locks on doors that have smaller diameter holes there are 2 options. Locks used only for security purposes and not used for normal operation are permitted at any height. The height of the door handle is not so much the problem as the door handle itself. Door handles pulls latches locks and other operating devices shall be installed 34 inches 864 mm minimum and 48 inches 1219 mm maximum above the finished floor.