To do this we started by gluing and screwing the bottom rail to both sides stiles.
How to build a outside barn door.
Next glue and screw the bottom mullion to the bottom rail and middle rail.
Make sure to get t g boards for the door itself and regular boards for all of the trims.
If you want to cover the opening with one door you ll need an area on one side of the opening that s wide enough for the door.
If needed you can substitute 1x10 t g boards for 1x8 1x12 or even 2x6 or 2x8 boards.
Measure from the floor to the top of the door casing then cut the boards inch shorter on a miter saw.
Square up the assembly with longer strapping at the top and bottom edges.
It s time to assemble the frame of the barn door.
Measure from both corners of the door before screwing the middle rail to the stiles.
This will ensure that your door is square.
Gang the boards side by side place the blocks along the outside edges and use long bar clamps to cinch them together.
The simplest way to build a door is to use 1x10 t g barn siding for the door and regular straight edge 1x10 barn siding for trims and cross bucks.
This includes the hardware and track.