Sliding glass door locks such as the steel mortise style locks shown on this page are used in wood vinyl and aluminum patio doors.
How to replace sliding glass door lock.
Fixing a sliding glass door lock is a very quick repair.
Cracked or shattered glass.
They are often used in higher end doors because steel mortise locks are more secure than the cast aluminum alloy versions used in many patio doors.
They are not used as entry doors.
Like any door or window the hardware on a sliding glass door will degrade overtime.
Unscrew and remove the existing lock.
How to repair a sliding door lock.
It s very common for sliding glass door hardware to require replacement.
Learn how to replace the lock in a sliding patio door following a few simple steps.
These types also experience the same symptoms as the standard glass door locks.
Sliding glass door locks.
Sometimes the sliding door may have a latch that works by sliding a small notch up and down.
It might become difficult to insert your key into an old sliding door lock over time.
Step 2 remove the latch body.
The lock will have screws on the interior side of the door.
Sliding glass doors are typically only lockable from the inside.
Try applying lubricant such as a petroleum based oil or wd 40 in the area to see if that works.
You can easily find a sliding glass door lock at your local hardware store or home center and if you remove the broken door lock and handle and take it to the store with you it will be easier to find a match.
Once you get the key in the lock it may become difficult to turn the cylinder.