DIY Bifold Door Roller Replacement The bifold roller is the most frequent failure issue in doors that fold internally. A simple DIY solution is available to fix the problem. The rollers are constructed of stainless steel and are impervious to breakage. They are easy to install using the supplied hardware. https://replace-bifold-doors42879.bloggactif.com/31383767/5-things-that-everyone-doesn-t-know-about-bi-fold-door-repairs-near-me