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Bifold Door Seal Repair Bifold doors are created by combining door panels with concertinaed tracks that let the space open and close. In time, they could suffer from a few common issues that require professional attention. Inadequate maintenance could cause your bifold door to jam, resulting in hardware problems and stuck-up doors. To stop this from happening it is recommended that you keep your bifold doors lubricated every few weeks. Deteriorating Seals The seals on bifo