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How to Replace Bifold Doors Many home improvement stores sell bifold doors as kits, which include the door panels and installation track. The kits you purchase should have a total dimensions that are about one inch less than the width of the framed opening. If your bifold doors squeak open, it could be due to a a loose guide pin on the top track or the floor pin on the bottom is out of place or is not there. These issues can be addressed easily and cost-effectively. Cost Bifold doors have a