The most common homeowner fix is to simply lubricate the roller or track the best you can.
How to fix a sliding glass door that is hard to open.
To start your sliding glass door adjustment project first lift or lower the door on the track with a screwdriver or allen wrench.
Locate the two adjusting screws at the bottom of the door on the face or edge of the door and pry off the trim caps that cover the screws.
In this video i show how to fix a sliding glass door that is very difficult to slide.
Turning this screw raises or lowers the roller.
Remove the plug and use a screwdriver to tighten and loosen the roller height making very small adjustments and testing each time.
Give the screw a clockwise turn and test to see whether the door slides easier.
Sliding glass door track cleaning.
First all you need to do is simply give the sliding door track a good scrubbing.
Remove the door from the track.
Over time the sliding glass door track accumulates dirt and grime.
Clean the sliding glass door track.
This will retract the rollers and make the door flush with the track.
The track acts as a guide for the door and also allows roller wheels to help the door run smoothly.
Door is difficult to open and slide.
Be sure to brush down both sides of the track as well as help scrub out the dirt that exists in the middle move the door along the track to expose the front scrub move the door back to the closed position scrub and so on.
This slows down your door considerably.
Raise it just enough to clear the track and roll smoothly.
If the door becomes even harder to open turn the screw in the opposite direction.
Rollers that are underneath the sliding door inside the frame tend to wear out making the slider hard to open.
First locate the roller adjustment screws and use a screwdriver to turn the screws counterclockwise.
These hole are often covered with a plastic plug.
Then remove the door stop at the top of the frame which should be as simple as unscrewing it.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.