How to Put Up Folding Accordion Doors

Written by karren doll tolliver Google
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How to Put Up Folding Accordion Doors
A tape measure and a few other basic tools are all that is needed to install folding doors. (folding meter image by Miroslav Beneda from

Accordion doors usually come in sets. Most sets include the folding door predrilled with screw holes on one side for mounting on a doorjamb, an upper track, a locking strip and hardware for installation. Most sets also come with a lower track that may or may not be installed. Many sets come in standard sizes, and their height can be cut to size. They can be custom ordered to the size of your doorway. You can use two standard-width doors in a double doorway.

Skill level:
Moderately Easy

Things you need

  • Measuring tape
  • Accordion door set
  • Pencil
  • Hacksaw
  • Screwdriver

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  1. 1

    Measure the width of the door space. Measure the height of the space in three places: left side, right side and middle. Use the shortest of these measurements to make sure the doors don't drag when they are installed.

  2. 2

    Purchase the accordion door set according to the measurements in the previous step. If necessary, cut the folding door to the correct height.

  3. 3

    Hold the upper track at the top of the opening to make sure it fits. Mark the position. If it is too long, cut it to size with a hacksaw. Wipe it clean of metal particles.

  4. 4

    Stand the door vertically on the floor so that the hanging wheels are at the top. Slide the track onto the wheels one by one and make sure they are all correctly placed.

  5. 5

    Ask a friend to help you put the door and track into the door opening. Slide the door out of the way and screw one end of the track into the doorjamb in the position you marked in Step 3. Install two or three screws in this step.

  6. 6

    Slide the door to the other end of the track and install the remaining screws. Ensure that the track is properly mounted in the right place and that the door slides easily in the track in both directions.

  7. 7

    Push the door all the way to the open position and let it hang freely. Mark the doorjamb where the screw holes are located on the door. Move the door aside and drill pilot holes where you made the marks. Move the door back and screw it to the doorjamb.

  8. 8

    Hold the locking strip against the opposite side of the doorjamb to make sure it fits. Cut the strip to length with a hacksaw if it is too long. Hold it flush with the upper track and make sure it lies in the middle of the doorjamb all the way to the floor.

  9. 9

    Test that the door will close properly with the strip in this position. If it does, mark the position of the screw holes in the locking strip. Drill pilot holes and screw the locking strip to the doorjamb.

Tips and warnings

  • Some accordion door sets require that you drill a strike hole before mounting the locking strip. Examine your set closely and follow the directions that the manufacturer provides for proper installation.
  • Even if the set comes with a lower track, you can generally omit installing it. Accordion doors are usually lightweight and work fine without the lower track. You will not have to worry about installing it over carpet or marring the floor during installation.

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