Most of the current locks require the standard 2 1 8 bore.
Standard doorknob height exterior door.
Standard interior door height is 80 inches.
Most people place them roughly six to twelve inches above the height of the door handle.
Get free shipping on qualified exterior door knobs or buy online pick up in store today in the hardware department.
This is the most common height for passage doors that lead from one room to another.
The standard height for doorknobs on a typical 80 inch tall household door is 36 inches.
Sometimes there are two exterior lights around the door in which case the light fixtures should be about one quarter of the door s height down from the top of the door.
An 80 inch door is called a 6 8 door pronounced six eight.
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.
The international building code has established doorknob height between 34 and 48 inches above a finished floor.
Many older doors had bores that were been smaller.
For example if a door is 9 feet tall the light fixture s.
Measure from the center of the door knob hole to the edge of the doorway to find the size of the door set.
According to the international building code door knobs should be between 34 48 above the finished floor.
The most likely explanation is that as we began to mass produce doors the centre of most middle rails in the typical drop panelled door was 36 inches from the bottom of the door.
If only one light fixture may be hung due to architectural limitations hang it on the same side as the doorknob.
The standard bore is 2 1 8.
Why this is standard is not certain.
If one wants to replace their locks on doors that have smaller diameter holes there are 2 options.
Lock bore the diameter of the hole for the lock body.
International building code 2012 chapter 10 means of egress section 1008 doors gates and turnstiles.
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 placement of your deadbolt is very dependent on the height of your standard door handle.
