Measure from outside to outside of casing molding.
Interior barn door sizing.
Barn door opening measurements while the style of barn door you choose will come down to your personal preference you will need to be aware of barn door vs opening dimensions when making your choice.
Measure from inside to inside of the opening.
When measuring an opening for a barn door there are 5 key measurements to take into account.
Your door s width should be 2 to 3 inches wider than the door opening and 1 inch higher than the dimensions of your opening.
Add 4 to the measurement and you have your recommended door width.
In this example the opening width is 32 4.
Total door width will be 36 why add 4.
To figure out what size track you need double your final width measurement.
Most barn door sizes fall anywhere between 36 wide on the shorter side by 96 tall on the longer side.
To determine the proper door width add about 4 to 6 inches to your measurement.
Measure across for the width and from the top of the casing molding to the floor for height.
Add 1 to 2 per door for overlap depending on privacy needs.
Generally most standard barn doors are approximately 36 x 84 or 42 x 80 with enough extra lip to overlap most standard door frames 36 x 80 by an inch or so.
Barn door measuring guide for door openings with casing molding.
The door will need to hang off the wall a couple of inches in order to slide.
The width of your opening the height of your opening from the floor to the top of the opening the space between the top of the opening to the ceiling and the width of the right and left walls of your opening.