Bifold Door Roller Replacement For bifold doors, these rollers are made from stainless steel, and are resistant to wear and breakage for a long-term use. These rollers are strong enough to support your door's weight and are easy-to-install. This nylon roller guide for the top was designed to replace bi-fold https://bifolddoorrepair12212.isblog.net/the-advanced-guide-to-bi-fold-door-repairs-near-me-47926983