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Bifold Door Seal Repair Bifold doors are constructed by combining door panels with track tracks that open and close the space. In time, they could be affected by a variety of common issues that require professional attention. A lack of regular maintenance could cause your bifold doors to swell up, which can lead to problems with the hardware and doors that are stuck. You can prevent this by Lubricating your bifold doors at minimum every two weeks. Seals that are degrading As bifold doors are constantly expose