Your sliding glass will probably have a hole on the side.
Vaseline on sliding door track.
If you clean your sliding door tracks and rollers regularly choose a petroleum based lubricant.
If you live in an area with ice and snow insulate sliding doors before the cold weather hits.
For slightly tight sliding doors after cleaning the track i have sprayed furniture polish on the track pledge.
Look for the hole in the door over the tracks or on the inside of the door.
Lift the sash as high as possible and apply a light coat to the lower tracks.
This is the point that needs to be lubricated and that s the reason for using a spray type lubricant.
Works great no residue to speak of.
Place the straw attached to the lubricant into the hole and press the trigger.
First wipe off any dust or debris from the tracks and then dip a paper towel into the vaseline.
Another popular method of lubricating and smoothing out a sliding door track is to simply spray a light mineral oil directly on the track and slide it back and forth until the lubricant has been fully distributed along the track.
Wipe the glass door s tracks with warm water and soap before the temperature drops.
Close the window and.