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 from stainless steel and are impervious to breakage. They are simple to install using the supplied hardware. https://bi-folding-door-repair-ne74542.pages10.com/how-to-make-an-amazing-instagram-video-about-bi-fold-door-repairs-near-me-66052179