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How to Fix a Bifold Doors Top Pivot Bifold doors can be ideal for creating a seamless transition from indoor to outdoor spaces. Like any door with bifold doors, they may be a problem. It is simple to fix the bifolding door. It usually involves loosening one screw and then adjusting height. Fixing the hinges Bifold doors can be a great way to open up a space and letting more light. They can be moved to either side, or folded back into a frame. One of the reasons that these doors have become popular is their flexibility.