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Bifold Door Repairs Interior bifold doors are flexible and can connect different areas of your home. However, they are susceptible to damage and require repair periodically. If your bifold doors are letting out draughts or squeaks in the wind, it's a sign that your seals are beginning to degrade. This is a common occurrence in time. Hinges The hinges on your bifold doors are an integral part of the ease with which it opens and closes. If they're damaged or bent the doors may get stuck or stop closing altogether