Bi Fold Door Repairs If the hardware is damaged, it could cause problems when operating bi-fold doors. The top hinges and bottom rollers, are the most commonly damaged components that require servicing or replaced. The track of the door can become blocked by dust and dirt, resulting in it sticking. https://bifold-door-replacement58458.affiliatblogger.com/82838490/the-reasons-bi-fold-repairs-isn-t-as-easy-as-you-think