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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 likely components that are damaged and need servicing or replacing. The track for the door can become blocked by dust and dirt, resulting in it sticking. This can be a simple solution by removing the dirt and then cleaning. Fixing the hinges Bi-fold doors can open up a room in a beautiful way. They are not without their difficulties. The hinges may become incorrectly