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Bifold Door Seal Repair Bifold doors incorporate doors with tracks that are concertinaed to let you open and close the space. In time they can develop a few common issues that require expert assistance. Inadequate maintenance can cause your bifold doors to seize up, leading to problems with the hardware and doors that are stuck. You can avoid this by Lubricating your bifold doors at least every two weeks. Seals that are degrading As bifold doors are constantly exposed to the elements, t