https://aiwins.wiki/wiki/10_Th....ings_You_Learned_In_
Bifold Door Roller Replacement These rollers are suitable for bifold doors. They are made from stainless steel, and are resistant to breakage and wear for a long time. These rollers are strong enough to support your doors' weight and are easy-to-install. This top-quality nylon roller guide is made for replacement in bi-fold door panels that weigh up to 30 pounds. It fits System S1000 aluminium profiles. How do you identify a broken roller on a bifold door Bifold doors