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Exactly How to Maintain Bifold Door Tracks To keep bifold door tracks, frequently remove dirt and particles making use of a vacuum cleaner with a slim nozzle and a soft brush. Wipe tracks with a damp microfiber cloth and look for wear in the weather condition removing. Apply lubricating substance sparingly to ball bearings and track sides, using products like graphite spray or silicone paste. Examine for alignment problems and unusual noises that may show damage