The requirements of bs 8300 provide for a door knob to be between 800mm 1050mm 31 5 41 5 inches from a finished floor.
Front door lock heights standards.
The standard size for an exterior door is 80 inches by 36 inches which is 6 ft 8 inches by 3 ft.
Door heights the height of common doors is 6 feet 8 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.
When boring deadbolt locks in a door there are two standards for spacing between the bottom lock and the deadbolt.
According to ada standards all exterior doors must measure at least 32 inches wide when opened to 90 degrees.
Locks used only for security purposes and not used for normal opera tion are permitted at any height.
Bs 8300 simply covers what is known as the dda compliance equality act and formerly the disability discrimination act.
Installers typically drill the hole centered 36 inches above the floor if not specifically instructed to do so differently.
Standards and kids the international building code has established doorknob height between 34 and 48 inches above a finished floor.
The act requires that door handles are located at a comfortable height for everyone.
The exception in the ibc for pool doors is meant to address the requirements in some codes which call for pool doors and gates to have latching hardware mounted between 48 and 54 aff so that a small child can not operate it.
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.
Access doors or gates in barrier walls and fences protecting pools spas and hot tubs shall be permitted to have operable parts of the release of latch on self latching devices at 54 inches.
Deadbolts mounted at other heights may be accepted by the ahj depending on the occupancy type.
96 inches or 8 ft.
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.
There are other combinations of spacing which are used on specialty locks however.
Fortunately the standards for ada door handle height are not much different than traditional recommendations.
Some door manufacturers sell doors in 7ft 8ft heights and door widths from 24 inches to 42 inches.
Is now very common for newer homes and stock exterior doors are also commonly available in 30 and 32 inch widths.
The threshold height can be no higher than 3 4 inch and hardware must be placed at no.
The standard height of the rough opening for a door is the door height plus 2 5 8 inches.