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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 are damaged and need servicing or replacing. The track for the door can get blocked by dust and dirt which can cause it to become stuck. This is a simple fix by clearing the dirt and washing. Fixing the hinges The bi-fold door can be ideal for opening up a space. However, they do have no problems. One of the most common issues is w