How to Replace Bifold Doors Many home improvement stores sell bifold doors as kits that include door panels, track for installation, and hardware. The kit should be about 1 inch smaller than the frame opening. If your bifold closet doors sag open it could be caused by an unintentional top https://bifold-door-roller-replac32429.blogitright.com/30811680/why-you-should-focus-on-improving-bi-fold-repairs