How can I make a frame on a ceiling to put bifold doors up?

  4 answers
  • Seth Seth on Jan 19, 2019


    It sounds like you are not replacing old doors in an existing door frame. If you are installing bi-folds from scratch, you will need something to attach the top track to. The easiest thing to do is use a 2x4 that is screwed into ceiling joists (the most secure) or uses some type of drywall anchor like a toggle bolt. You can dress it up with some decorative trim on the sides. Just leave enough space so the door will operate freely. If you are going all the way across a room, you may want to add a 2x4 on the walls, which can also be trimmed out to look like a doorway.

    • Lifestyles Homes Lifestyles Homes on Jan 19, 2019

      Sorry, I’m not understanding your solution, what am I missing?

      One 2x4 on the ceiling, lowers the mounting height 1.5” or 3.5”,

      which leaves a 14.5” or 12.5” open gap at the bottom of the doors.

      That’s based on a standard 8’ ceiling and 6’8” doors.

  • Lifestyles Homes Lifestyles Homes on Jan 19, 2019

    You’ll need to know where the ceiling joists are, if you want to hang them from the ceiling. You’ll have to screw your frame literally into the ceiling joists.

    So you’ll need to mark their locations & then drill pilot holes to verify you’ve found them. Make the pencil marks 5-6” long.

    This project is going to require two people and one of them has to have a lot of upper arm strength.

    To build the frame, you’ll need a circular saw, a framing square, a drill and 2 3/4” screws.

    You’ll need access to two ladders as well.

    Draw this out on graph paper: based on your ceiling height & the width/height of your doors and do the math:

    With 2x4’s, Build the box on the floor, with a top plate, studs at 16-20” on center @ aprox 9”, then the header will be 2-2x4’s ON EDGE, sistered together.

    If the bi-fold doors are solid core or wider than 6’, let me know, as I’ll have to check the Span Tables for the 2x6 threshold.

    Pre-drill all the screw holes with a smaller drill bit and be prepared to drill the header pieces at an angle, called toe nailing. Then screw it all together. The studs will be screwed through the top plate, not toe nailed.

    If you want the frame exposed, then paint it or stain it, at this point.

    slide the entire box frame up the ladder & balance it on top, while the helper puts books or somethings to shim it up flush with the marked ceiling joists.

    Between the studs, Drill through the bottom of the top plate into the joists with a smaller drill bit, making sure you found the ceiling joists. Two screws per stud space, at least.

    If expised, then paint the screw heads.

    Hang the door track, hang the doors and you’re done, unless you wanted to put drywall on the box.

  • Seth Seth on Jan 19, 2019


    You can buy taller doors, up to 96 inches.

    • Lifestyles Homes Lifestyles Homes on Jan 19, 2019

      Yes, one can. They’re special order and disproportionately more $, depending on the wood species, hinge type & finishes and track gauge.

      Since no dimensions were given and the question said “frame”,

      I therefore qualified my math:

      standard US residential construction methods, are 8’ ceilings & 6’8” doors.

      Standard commercial doors are 7’0” high.

  • Lifestyles Homes Lifestyles Homes on Jan 19, 2019

    sorry no pics like I was describing. Let me know if your doors are solid core and if you have more than 6’ wide of doors and I’ll get adjust the solution.

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