Measure the door opening
Decide the barn door size
Choose the wood or material
Gather tools and hardware
Cut the door panels to size
Sand all surfaces and edges
Assemble the door frame
Add center panels or boards
Secure joints with glue and screws
Fill gaps and imperfections
Sand again for a smooth finish
Apply stain, paint, or sealant
Install the barn door track hardware
Attach rollers to the door
Mount the track above the opening
Hang the door on the track
Install door stops and guides
Test the door movement
Make final adjustments