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How to Fix a Bifold Doors Top Pivot Bifold doors are an excellent option to create a seamless transition from indoor to outdoor spaces. Like all doors, bifold doors can be a problem. Fortunately, fixing a bifold door is fairly easy and non-intrusive. It usually involves loosening one screw and then adjusting height. Fixing the hinges Bifold doors are a great way of opening up a room and letting more light. They typically fold back into the frame or lintel of a doorway, but can