It should be tall enough so that when it s hung on the track there is about 1 2 inch of space between the bottom of the door and the floor.
Header barn door.
Some good examples are available.
To determine the height to mount the header you can attach the hardware to the door and prop the door off the ground.
As i mentioned in my post it was necessary since the predrilled holes in barn door hardware don t line up with studs.
A 2 x 6 cut twice as long as your track should do the trick.
But i don t find that it looks odd i like it in both spaces.
Barn doors can be heavy up to 200 pounds or more so for sturdiness most people mount the track to a header attached to the wall studs above the doorway.
In the interest of time though you can do a google image search for header board barn door.
The barn door should be wide enough to completely cover the doorway with an inch or two of overhang on both sides and about one inch at the top.
Picking and installing your barn door header rustica has the option of customizing your header to match perfectly with your barn door and wall.
Add structural support for your barn door with our sliding barn door support header.
The header reinforces the drywall making it strong enough for your barn door.
Once the header is installed to the drywall the track can be firmly added to the header.
The instructions usually do a good job of helping with the specific measurements since barn door hardware can vary.