Of course your external sliding glass doors will already have some sort of lock on them which is the lock that came with the doors when they were installed.
How to install a sliding glass door lock.
The sliding glass door lock mechanism the sliding glass door lock is the focal point of this discussion but it is also one of the weakest elements on the board and the one that is most prone to being targeted by burglars.
Align the lock at the bottom of the sliding glass door.
Tilt the door into the opening with the bottom side going in first using shims as necessary to create a secure fit.
Place shims around the edges and top of your door frame every 12 inches.
Place your door hinges and secure them in place with screws.
Install the lock and test it out now mount the lock onto the door frame by using two screws and then take the bolt and gently push it into the bolt hole.
Use shims under screw holes to help keep your threshold in good shape.
Mark that spot with the sharpie.
Remove the keeper plate from one side then slide the cylinder lock housing out of the door on the other side.
However many people want to have additional security by installing sliding glass door locks into the door frame the jamb and the slide glass door itself.
Installation of sliding door lock.
Tap your finger on the base of the outer door and listen to find where the glass ends in the base.
Remove the screws securing the lock s keeper plate with a phillips head screwdriver.
Mark each screw hole.
This indicates there is no glass behind the frame.
A sliding glass door lock is used to keep sliding glass doors secure by barring access.
This will be about an inch below the upper level of the door frame base.
Hold the new lock up to the door to determine where the lock and screw holes should be drilled.