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How to Fix a Bifold Doors Top Pivot Bifold doors are a great option for creating seamless transitions from indoor to outdoor spaces. But, as with all doors they will encounter problems from time-to-time. It is simple to fix a bifolding door. It's usually as simple as loosing the screw and then changing the height. Fixing the hinges Bifold doors are an excellent way to open up a room and letting more light. They typically fold back into the frame or lintel of a doorway, but they c