Bi Fold Repairs - How to Properly Maintain and Repair Your Bi Fold Doors Many bifold doors are difficult to open and might even allow a draft. The hardware could have gotten out of alignment over time. The process of getting your bi-fold doors back in line is generally easy. https://bifolddoorreplacement57154.weblogco.com/30760413/so-you-ve-bought-bi-fold-door-repair-now-what