DIY Bifold Door Roller Replacement The bifold roller is the most common failure point in internal folding doors. A simple DIY solution can be found to fix the issue. The rollers are made from stainless steel and are resistant to breaking. They are easy to install with the included hardware. https://bifolddoorrepairsnearme76530.59bloggers.com/30922715/10-things-everyone-hates-about-bi-fold-door-repairs-near-me