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Bi Fold Door Repairs Bi fold doors can be difficult to operate if the hardware is damaged. The top hinges and bottom rollers are the most common components that can be damaged and require maintenance or replacing. Dust and dirt can block the door track and cause it to become stuck. It is easy to solve this problem by cleaning and taking out the dirt. Fixing the hinges Bi-fold doors are able to open up an area in a stunning way. However, they do not come without a few challeng