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Bifold Door Seal Repair Bifold doors connect door panels into concertinaed tracks to let you open and close an area. As time passes they can develop a few common issues that require professional assistance. A lack of regular maintenance could cause your bifold doors to lock up, causing hardware problems and stuck doors. You can prevent this by making sure that your bifold doors are lubricated at least every two weeks. Seals that are degrading As bifold doors are constantly exp