Front Door Lock Height Standard

The standard bore is 2 1 8.

Front door lock height standard.

Locks used only for security purposes and not used for normal opera tion are permitted at any height. 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. Locks used only for security purposes and not used for normal operation are permitted at any height. Standard interior slab doors are 80 inches tall.

Is now very common for newer homes and stock exterior doors are also commonly available in 30 and 32 inch widths. If one wants to replace their locks on doors that have smaller diameter holes there are 2 options. 96 inches or 8 ft. Lock bore the diameter of the hole for the lock body.

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 height of common doors is 6 feet 8 inches. 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. Most of the current locks require the standard 2 1 8 bore.

The standard size for an exterior door is 80 inches by 36 inches which is 6 ft 8 inches by 3 ft. If you re installing several doors it s acceptable to drill the doorknob hole at 40 inches or centered vertically. The standard height of the rough opening for a door is the door height plus 2 5 8 inches. Sectional handlesets have a seperate deadbolt body so the b measurement is actually variable.

Fortunately the standards for ada door handle height are not much different than traditional recommendations. Many older doors had bores that were been smaller. Locks used only for security purposes and not used for normal operation are permitted at any height. See measurement b in the image to the right.

Some door manufacturers sell doors in 7ft 8ft heights and door widths from 24 inches to 42 inches. All handles pulls latches locks and other operable parts of the door should measure between 34 inches and 48 inches above the floor. The additional room allows for a 3 4 inch top jamb a shim. If you have more that 5 1 2 inches here you can still use a sectional handleset on your door.