First check your sliding door tracks for any debris or dried liquid.
How to fix sliding door track wet after rain.
Have a reputable sliding door contractor remove the door if it has not been damaged build a new frame and reinstall the door.
If your door was damaged during installation contact the manufacturer to see if a warranty applies.
The tracks are usually and seem to be here as well a single piece.
In this video i show how to fix a sliding glass door that is very difficult to slide.
First one shows the screen track and the track where the sliding half of the door sits when it s closed.
Door is difficult to open and slide.
Water collects on both sides of the track where the sliding part of the door sits and where it slides.
I plan to seal.
Be sure to check between the screen door and the glass.
If a metal unit you can cheat the sash seals by pinching the tracks slightly closed with pliers to re tighten the tracks to the sash seals.
Sliding glass door track cleaning.
Second one shows the unmoving side of the door and the track where the moving part slides into when opened.
I ve got a sliding patio door on the back of my home there s a moisture problem directly under the door in the basement.
The gutters are clear and the patio is level.
If that works then you d want to repeat it on the entire window to restore heating or cooling efficiency to the place.
If you see any clear the debris and wash the tracks with warm soapy water.
How to get rid of water in your patio sliding door wall.
Damage to the door itself.
If you re confident that there s nothing else blocking the sliding patio door track then it s time to lubricate.