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How to Fix a Bifold Doors Top Pivot Bifold doors are ideal for creating an effortless transition from outdoor to indoor spaces. But, as with all doors they will encounter issues from time to time. It is easy to fix bifolding doors. It is usually as simple as loosening a screw and changing the height. Fixing the hinges Bifold doors can be a great way to open up a room and letting more light. They usually fold back into the frame or the lintel in a doorway, however, they can also slide on either side of a s