If it s too low use a flat pry bar to raise the door while you turn the adjusting screw clockwise.
Adjust sliding glass door.
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.
Most sliding glass doors contain two sets of rollers one on each side of the bottom of the door.
If the side with the adjusting screw is too high causing it to bind at the top turn the screw counterclockwise.
Regular vacuuming of the track will help keep the door sliding smoothly.
How to adjust sliding glass door rollers for a smoother ride.
Every standard sliding glass door has adjustable rollers that help it slide back and forth within the track.
Be sure to wipe up any excess that gets on the floor it can make the floor very slippery adjusting the height.
There are holes on your sliding glass door that conceal the adjusting screws to these rollers.
On my door the holes had plastic plugs in them.
These holes hide the adjustment screw for the coordinating rollers.
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.
How to adjust sliding glass doors.