Inspect and lubricate sliding door tracks
Keeping Sliding Components Lubricated and they will last longer
Don't use too much lubrication or it will drip down the surface and look bad. Light coverage and full motion of the joint or rail and you will be all done.
|Screwdriver set||WD 40 Silicone|
How to Maintain Sliding Door Tracks
There are some great YouTube videos to help you maintain Sliding Door Tracks.