How to Repair a Bifold Door Top Roller: A Comprehensive GuideBifold Door Fix doors are a popular choice for lots of property owners due to their space-saving style and ease of use. Nevertheless, like any other door type, they can malfunction gradually, especially if not correctly kept. One of the most common problems with bifold doors is a malfunctioning leading roller, which can cause the door to stick, drag, and even fall off its track. In this short article, we will provide a step-by-step guide on how to repair a bifold door leading roller, as well as some beneficial suggestions and FAQs to help you fix and fix typical issues.Comprehending the Bifold Door Top Roller MechanismBefore we dive into the repair process, it's important to comprehend how the bifold door top roller mechanism works.