DIY Bifold Door Roller Replacement The bifold roller is the most common failure point in internal folding doors. The issue is easily fixed by using a simple DIY solution. The rollers are made of stainless steel and are resistant to breakage. They are simple to install using the included hardware. https://bifold-door-seal-replacem17635.oblogation.com/29972528/20-tools-that-will-make-you-better-at-bi-fold-door-repairs-near-me