https://dev.to/platevan5/15-bi....fold-door-replacemen
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How to Repair Bifold Door Top Roller Guide If your bifold door is squeaking it's likely they need some attention. You may need to clean, lubricate or adjust them. The issue could be caused by loose bolts at the top pivot or by the top guide roller. includes everything you need to restore your bi-fold wardrobe door to its best performance. Remove the Door Installing an inter