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Bifold Door Seal Repair Bifold doors incorporate doors with tracks that are concertinaed to open and close a space. As time passes the doors can develop a few common issues that require professional assistance. Inadequate maintenance can cause your bifold door to become jammed which can lead to hardware issues and jammed doors. To help prevent this from occurring it is recommended that you lubricate your bifold doors every couple of weeks. Seals that are degrading Because bifold d