How to re key a door lock change your locks yourself by removing the lock cylinder and changing the pins.
How to change door lock keys.
If your house keys are ever stolen one of your first orders of business is changing the locks on your doors so no one can gain access.
Take care to measure carefully as matching the size can be especially problematic in older homes.
Change the locks when your keys have been lost or stolen.
However rekeying a lock can also improve a building s security measures after a new home construction during which a number of people might have copies of door keys including contractors.
Before you learn how to change door locks measure the space where you ll install the replacement.
Next put a new latch in and replace the door knob.
Alternatively you can buy a re keying kit for the lock you already have.
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I am a locksmith with 35 years experience.
If you have a window in or next to the door a lock with key cylinders on both sides is preferable as long as local codes allow and you keep a key within reach.
I don t recommend the you change it locks too many ways to screw them up.
To change the lock on a regular door knob first use a screwdriver to remove the door knob and the old latch.