How High Should Door Knobs Be?

by | Last updated on January 24, 2024

, , , ,

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.

What height should a door knob be?

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 opera- tion are permitted at any height.

Are door knobs standard height?

The International Building Code has established doorknob height

between 34 and 48 inches above a finished floor

. Installers typically drill the hole centered 36 inches above the floor — if not specifically instructed to do so differently.

Are door knobs a standard size?

The standard size for a door knob diameter is either

2 3/8 inches or 2 3/4 inches

and these knobs will usually fit doors that are anywhere between 1 3/8 inches to 1 3/4 inches thick.

What is the standard backset for door knobs?

The backset is the distance from the edge of the door to the center of the 2-1/8-inch bore hole. In the United States, there are two common backsets for residential door locks:

2 3/8 inches and 2 3/4 inches

. Pack your locks with a 2-3/8-inch or 2-3/4-inch latch, depending on which backset you specify.

Are all door handles universal?

The most common are

2 3/8 inches and 2 3/4 inches

, but some hardware can fit multiple backsets. Make sure the hardware you select fits your door. For more help, see Determine the Backset of Your Door.

How do I know what size door lock I need?

You can work out the size of the lock

by measuring the distance from the edge of the door to the centre of the door handle or knob

. This measurement will give you the approximate size of the backset which will allow you to identify which size lock or latch you have.

What is the distance between the deadbolt and door knob?

– Your door must have a

minimum of 5 1/2′′

between the center of the deadbolt crossbore hole and the center of any other door latch below the deadbolt.

What does backset mean for door hardware?

The backset is

the distance from the edge of the door to the spindle mechanism on the latch

. Usually for a 63mm case measurement it will have a 44mm backset and for a 76mm case measurement will have a 65mm backset. The backset you choose is where your door knobs will sit on the door (where the spindle goes through).

Is there a difference between interior and exterior door knobs?


Exterior door knobs have a much bigger job to do than interior ones

. They’re the main barrier in most homes between the house and anyone who hasn’t been welcomed into it. An exterior door knob needs to be strong, reliable, and have a lock that works well. There are two main options within this category.

Are internal door handles standard sizes?

The most common are

2 3/8 inches and 2 3/4 inches

, but some hardware can fit multiple backsets. Make sure the hardware you select fits your door. For more help, see Determine the Backset of Your Door. Notice the latch or bolt configuration.

What is a privacy door handle?

Privacy door knobs have

a twist or button lock that works from only one side

. Some privacy door knobs with button locks have a pin hole on the outside knob and a generic key that opens the lock.

What is lock stile?

Lock stile – This is

the vertical edge of the door which sits on the opposite side of the door to the hinges

, and contains the lock or latch. … Top mullion – This is the vertical element of the door that forms a division between different panels at the very top of a door.

What is a Kik lock?

The idea is, these are

the locks that go inside a doorknob like that, and the key goes down the middle

. … The thing about these is that they are usually fairly cheaply made. They’re small, they’re light, they’re cheap. They’re really good to practice on.

What is a 3 lever lock?

3 lever locks work in similar way to the above but with 3 levers and

is used when less security is needed

. … For example you would usually fit 3 Lever locks in the door leading from your house in to a garage, or if you wish to pop a lock on a bedroom door for extra privacy then 3 Lever locks will suffice.

Charlene Dyck
Author
Charlene Dyck
Charlene is a software developer and technology expert with a degree in computer science. She has worked for major tech companies and has a keen understanding of how computers and electronics work. Sarah is also an advocate for digital privacy and security.