Front Door Lock Heights Standards

The standard bore is 2 1 8.
Front door lock heights standards. Usually found on wooden timber doors in domestic homes but can appear on metal doors in commercial premises. Lock bore the diameter of the hole for the lock body. Bs 3621 is the original lock standard and was first introduced in the 1960 s the key facts you need to know about bs3621 locks are as follows. 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.
About bs 3621 british standard locks. Generally hard ware must be mounted between 34 and 48 above the finished floor or ground with exceptions for. The standard door thickness is 1 inch. These type of patio doors let a lot of natural light into the house.
Some door manufacturers sell doors in 7ft 8ft heights and door widths from 24 inches to 42 inches. Each of the codes and standards that we typically refer to for requirements pertaining to door openings contains slightly different language regarding mounting heights of operating hardware. Grade 1 is the highest quality lock that you can buy. Building codes for exterior doors.
Most of the current locks require the standard 2 1 8 bore. Exterior doors in homes and businesses not only provide security but they also serve as a vital means of egress during a fire or other emergency. 8 inches tall and 8 ft. Installers typically drill the hole centered 36 inches above the floor if not specifically instructed to do so differently exceptions to the rule include doors that provide egress into swimming pools or other water features.
Fortunately the standards for ada door handle height are not much different than traditional recommendations. A key is used for opening or exiting the lock also known as the term keyed egress. All handles pulls latches locks and other operable parts of the door should measure between 34 inches and 48 inches above the floor. A locks used only for security purposes and b operating hardware on doors leading to swimming pools.
Generally hardware must be mounted between 34 and 48 above the finished floor or ground with exceptions for a locks used only for security. The international building code has established doorknob height between 34 and 48 inches above a finished floor. The height for fiberglass or steel doors are fixed at 6 ft. If one wants to replace their locks on doors that have smaller diameter holes there are 2 options.
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.