Try applying lubricant such as a petroleum based oil or wd 40 in the area to see if that works.
How to fix the lock on my sliding glass door.
Make sure the rollers at the top are aligned first then walk the bottom of the door.
Sometimes the sliding door may have a latch that works by sliding a small notch up and down.
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.
The best way to lubricate any lock is to disassemble it and use an aerosol lubricant to flush away grime and coat the moving parts of the lock.
Step 2 remove the latch body.
Because sliding patio doors are used a lot it s common for their locks to occasionally jam or break.
Sliding glass door locks.
These types also experience the same symptoms as the standard glass door locks.
These locks are important for keeping your patio doors secure so it s important that you replace yours promptly if it s not working while you might need to completely replace your lock it s possible you just need to replace the latch.
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.
Most sliding doors manage to get knocked off kilter at one point or another.
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 repair a sliding door lock.
It might become difficult to insert your key into an old sliding door lock over time.
In addition to cleaning and lubricating sliding door tracks you want to lubricate the door lock.
You may also want to check out our step by step guide to adjusting your sliding doors.
Sliding glass doors are typically only lockable from the inside.
They are not used as entry doors.