DIY Bifold Door Roller Replacement The bifold door roller is a common problem in internal light-weight folding doors. The issue is easily fixed by using a simple DIY solution. The rollers are constructed of stainless steel and are resistant to breaking. They are easy to install with the included hardware. https://bifold-door-repairs72761.bcbloggers.com/29938554/14-common-misconceptions-concerning-bi-fold-door-repairs-near-me