Replacing that latch with a traditional lock will require some work on both the door and the frame but your door will be much more durable as a result.
How to lock sliding patio door.
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Because sliding patio doors are used a lot it s common for their locks to occasionally jam or break.
Sliding glass doors are typically only lockable from the inside.
For double barn doors a sliding barn door latch isn t too difficult to find or install.
These are not only for sliding doors but can be used on french doors as well.
A teardrop sliding door lock is one option to consider for added privacy.
However you may decide to use your sliding glass door as a regular entry point in which case you might want to think about installing a key lock so the door can be unlocked from the outside.
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The cal lock is an easy and effective way to beef up the lock on your patio door.
It is a double bolt lock that attaches easily to your existing door.
Most sliding doors operate with a hook latch that can be pulled open when sufficient force is applied.
The doors simply slide together and can be locked together.
Here is a quick video on installation.
They are not used as entry doors.
The lock mounts to a door jamb to keep out prying eyes and keep barn doors shut.
In attempting to make your sliding doors more secure make sure that you still have ease of access to and from your home in case of an emergency.
Some of the more conventional ways of securing your doors are to improve the locks on the door and to also integrate the door into your monitored home alarm system if you have one.