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How to Fix a Bifold Doors Top Pivot Bifold doors can be ideal for creating an effortless transition between indoor and outdoor spaces. However, just like any other door they will encounter problems from time-to-time. It is simple to fix bifolding doors. It usually involves loosening one screw and adjusting height. Fixing the hinges Bifold doors are an excellent way to open up a room and letting in more light. They typically fold back into the frame or the lintel of a doorway but can also slide to either side o