Replace the patio door lock.
How to fit patio door lock.
These should line up with the lock.
Using your magnet clean up all the metal shavings around the holes.
Then screw in the base and bolt sides drawing the bolt back into lock position.
Step 4 finishing up.
How to install a lockking security bar lock for a patio door or sliding glass door.
When you have added the main body of the lock and the lock bolts to the door then you can add the cover plate.
Take out the existing lock and bring it to a home improvement or hardware store and purchase a new lock that will fit your patio door.
If either fix does not make the patio door lock correctly or at all remove the door lock with a screwdriver and fit a replacement lock into the recess.
Products used in this video.
Key lock and housing product code.
Once the holes have been made you can then screw the lock into the door.
In this video we show you how to install a key lock set on an existing patio door handle.
Easy to install and easy to.
Then on the door where the slide bolt will go drill a hole where the bolt will be placed.