In these cases the problem is usually that the rollers at the bottom of the door have started to rub against the track.
Sliding glass doors adjustment rollers.
If a patio door is difficult to operate won t lock properly or is loose or drafty make adjustments to the roller latch or strike to fix the issue.
As the framing inside the door opening settles the tracks raise or lower with the floor.
Every standard sliding glass door has adjustable rollers that help it slide back and forth within the track.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
The wheels on the glass sliding patio door have an adjustment screw at the bot.
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Locate the adjustment screws on the lower edges of the door.
This adjustment screw will move the roller height up or down and thus your sliding glass door height will go up or down by as much as 1 4 inch or 1 2 cm.
These holes hide the adjustment screw for the coordinating rollers.
You can alter the height of these rollers by accessing the adjustment screws which are set into slots on the door s outer edges perpendicular with the rollers themselves.
Adjust sliding glass door rollers this video is going to show you how to adjust your door s rollers to ensure smooth operation and maintain weather tightness.
The sliding panel should glide across the tracks when you open the door without jamming.
The rollers at the top can also wear down lowering the bottom of the door so that it rubs on the track.
On the bottom portion of your sliding glass door you should see a small hole on each side of the door.
How to fix a glass sliding patio door that dosnt roll close or lock properly.
Over time the framing of your home settles.
I used a phillips head screwdriver to turn the roller adjusting screw.
Tinker around with the roller screws to see if the door glides better when it s at a lower or higher height.