How to Replace Bifold Doors Many home improvement stores offer bifold doors as kits that include door panels and installation track. The kit should be about one inch smaller than the framed opening. If your bifold closet doors sag open it could be due to an unintentional top guide pin https://repairing-bifold-doors52594.webdesign96.com/31219667/so-you-ve-bought-bi-fold-repairs-now-what