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Cost to Build a Custom Barn Door

Building a custom barn door means cutting wood boards or MDF panels into a door, assembling and finishing the face, then mounting it on a sliding hardware track above the opening. Homeowners often take on this project to add a custom sliding door, replace a worn or damaged door, or update the look of an opening. The careful parts are sizing the panel, selecting compatible hardware, and securely supporting the track.

Estimated cost
Build a custom barn door
$1,423
$1,006$1,840
Labor
Materials
How many doors?
Materials & supplies
  • Barn door and track kit1 each @ $400
    $400
  • Dimensional lumber44 linear foot @ $3
    $110
  • Supplies subtotal
    $381–$815
  • Labor
    $550–$950
  • Permits & fees
    $75

Based on 1 door (typical size). Figures are ballparks — get a contractor quote to confirm.

Common reasons homeowners do this job

  • Adding a custom sliding door to an opening
  • Replacing a worn or damaged existing door
  • Updating the appearance of an interior opening
  • Creating a door sized for a particular opening
  • Choosing a wood-board or MDF door design

DIY or call a pro?

This is a legitimate DIY project for someone comfortable using a table saw, circular or track saw, sliding compound miter saw, drill, and brad nailer. Consider professional help if cutting and assembling the panel, mounting the track above the opening, or lifting and hanging the door feels uncomfortable. The wall header needs to support the door and hardware weight, and safety glasses are needed when operating power saws.

Frequently asked questions

Can I build and install a custom barn door myself?
Yes, this is DIY-friendly if you can accurately measure the opening, cut the panel materials, assemble the door with wood glue and screws, and install the sliding hardware. Consider help if lifting the assembled door or mounting the track is beyond your comfort level. Make sure the wall header can carry the weight of both the door and the hardware.
What makes a custom barn door project more expensive?
The price rises with the job's size, labor time, and the materials selected, including the door base, decorative MDF framing, finish, and sliding hardware. Removing old material can add haul-away or disposal work, while a small project may be affected by a minimum or trip charge.
What should I measure before buying barn door hardware?
Measure the opening width and height first to establish the needed door size. Then select a sliding hardware kit that is compatible with the finished door weight and the opening width; buying hardware before confirming those two details can create a mismatch.
How is a custom barn door finished before it goes on the track?
After the base boards or panels are assembled, decorative MDF boards or framing can be attached to the face. Fill screw holes with wood filler, sand the surface smooth, and apply paint or stain before attaching the door hangers and hanging the door on the track.

Have a different situation?

Every home is different. Describe yours to Gable Pro and get a diagnosis, a real cost estimate, and — if you want — a match to a vetted local pro.

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