Bi-fold doors consist of four panels connected in pairs, with hinges in the middle. Each pair of doors swings outward to open and pushes flat to close. Bi-fold doors are typically used for closets and kitchen pantries. The doors may be built with slats for ventilating the storage space. When bifold doors stop working or won't close properly, you may be able to fix the problem yourself with a Phillips-head screwdriver and spray lubricant. Simple adjustments in the overhead track are the first place to start.
- Skill level:
- Moderately Easy
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Things you need
- Spray lubricant
- Phillips-head screwdriver
Spray lubricant on the overhead track for your bifold doors and on the hinges joining each pair of doors. Pull and push the knobs on the doors to work the lubricant into the track and hinges.
Push down on the guide rod at the top of each door where the pair of doors meet in the middle. This pops the doors out of the track so you can swing them outward into the room.
Insert the tip of the screwdriver into the Phillips-head screw in the upper-right and left corners of the track. The screw holds a metal adjustment bracket in place. Loosen the screw and slide the bracket back toward the wall, then tighten the screw.
Press and hold the spring-loaded guide rod at the top of each door with your fingertip, guiding the rod under the track. Pull out your finger so the rod snaps up and locks into the track. Do not move the doors until your hands are clear, or you could mash a finger.
Close the doors together to check alignment. The narrow gap between the b-fold doors should be essentially parallel from ceiling to floor with proper alignment. If not, pop out the guide rods and adjust the brackets in the track once more. You may need to slide the bracket on one side or the other, inward or outward, to achieve the proper alignment so the doors shut smoothly, without rubbing each other.
Pull out a defective guide rod with pliers, straight out of the hole in the top edge of the bifold door, and take to a hardware store for matching with a replacement. The spring in the guide rod may eventually go bad, causing the door to move roughly on the track, or pop out of the track.
Push the plastic housing of a new guide rod into the hole in the door, then press the tip of the guide rod and slip it back into the track.
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