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.
Interior barn door opening overlap detail.
You will cut your slats exactly the height of your opening minus whatever clearance you want the door to have above the floor i wanted mine to have 1 2 inch between the floor and the door.
In this application the doors overlap and slide over one another so that half of the opening is accessible at any time.
First make sure that the header space over the opening can support the weight of the hanging barn door.
Add 1 to 2 per door for overlap depending on privacy needs.
To have privacy the door usually overlaps the opening by an inch so that a 2 6 opening will require a 2 8 door.
Barn door measuring guide for door openings with casing molding.
This application is great for areas where barn doors are desired but there isn t adequate room on either side of the opening for the door to slide.
The final option is bypass doors.
The determining factor in how high or how wide you want to go is just how much you want your sliding door to overlap with the opening.
Measure across for the width and from the top of the casing molding to the floor for height.
There must be a support beam or strong studs in place on which to anchor the sliding track and there should be ample space between the top of the opening and the ceiling to install the track.