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Bi Fold Door Repairs Bi fold doors can be challenging to operate if the hardware is damaged. The top hinges and bottom rollers, are the most frequently damaged parts that need to be serviced or replaced. Dirt and dust can also block the door track which can cause it to stick. It is easy to solve this issue by cleaning and getting rid of the dirt. Fixing the hinges The bi-fold door is a great way to open up an area. However, they d