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Bifold Door Seal Repair Bifold doors incorporate doors into concertinaed tracks to let you open and close an area. As time passes they can have a few problems that require assistance from a professional. Inadequate maintenance can cause your bifold doors to lock up, which can lead to issues with the hardware as well as stuck doors. To prevent this from happening it is recommended to lubricate your bifold doors every couple of weeks. Seals that are degrading Since bifold doors are constantly expo