DIY Bifold Door Roller Replacement The bifold roller is the most frequent failure issue in doors that fold internally. A simple DIY fix is available to fix the issue. The rollers are made from stainless steel and are resistant to breakage. They are easy to install with the included hardware. https://bi-fold-door-repair-near32652.blogerus.com/53194376/20-resources-that-will-make-you-better-at-bi-fold-door-repairs-near-me