Most sliding glass doors contain two sets of rollers one on each side of the bottom of the door.
Adjust sliding glass door.
If it s too low use a flat pry bar to raise the door while you turn the adjusting screw clockwise.
Regular vacuuming of the track will help keep the door sliding smoothly.
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.
On my door the holes had plastic plugs in them.
On the bottom portion of your sliding glass door you should see a small hole on each side of the door.
They may be covered by plug covers.
If the side with the adjusting screw is too high causing it to bind at the top turn the screw counterclockwise.
Be sure to wipe up any excess that gets on the floor it can make the floor very slippery adjusting the height.
Spray the entire sliding glass door track with a silicone based lubricant to ensure your door glides smoothly.
First locate the screws on the bottom of your sliding glass doors.
There are holes on your sliding glass door that conceal the adjusting screws to these rollers.
How to adjust sliding glass doors.
How to adjust sliding glass door rollers for a smoother ride.