Step 7: Attach the door aligner

Attaching the door aligner.
Photo: Kolin Smith
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From inside the closet and with the doors closed, mount the door aligners between the two leading doors, 6 inches up from the floor. The aligners catch when the doors are closed, keeping the door faces flush with each other.

From outside the closet, check the alignment. Adjust the track hardware as necessary to keep the reveal around the doors even.
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    Tools List

    • combination square
      Combination square
    • drill
      Drill
    • self-centering bit
      Centering bit,
      for drilling pilot holes for hinge screws
    • hack saw
      Hacksaw,
      for trimming track to fit opening
    • plumb bob
      Plumb bob,
      for aligning hardware above and below door
    • extender flexible bit
      Bit extender,
      for reaching into tight spaces with drill
    • hand saw
      Handsaw,
      for cutting finish trim that hides the track

    Shopping List

    1. DOORS

    Bifold doors are available for sale, but custom-ordered doors can also be assembled into folding doors, as long as they're resized to fit your needs. [BR]When measuring the closet opening, account for a small gap around and between the doors. [BR]Measure the horizontal opening of your doors, subtract 13/16 inch, and divide by 4 to get the individual door width. Measure vertically and subtract 2 and 7/8 inches to get its height.



    2. TRACK HARDWARE

    The hardware that comes with bifold-door set can be flimsy. We've found its often best to order separate hardware[EMDASH]a kit that includes the track, the hinges, and all the pins and pivot plates[EMDASH]for a smoother, longer-lasting operation. A couple of companies, like Johnson, offer heavy-duty tracks that make the doors glide smoothly.



    3. DOOR PULLS

    Smaller cabinet knobs will get lost on a larger door, so look for "wardrobe knobs" or any knob that is 1 and 3/4 inches or bigger in diameter.



    4. 1x2 FINISH-GRADE FLAT STOCK

    You'll need just one piece to create a valance under the header to hide the track.



    5. 21/2-INCH TRIM SCREWS

    For attaching the 1x2 stock.