Add 4 to the measurement and you have your recommended door width.
How big should barn door be.
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.
Your next step is to calculate the width of the door s opening starting from inside the door jamb on.
The height is a bit trickier based on the casing and header.
A 3 foot door requires 6 feet of track.
Most barn door sizes fall anywhere between 36 wide on the shorter side by 96 tall on the longer side.
Structural support is required 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.
Measure from outside to outside of casing molding.
Sheetrocked opening no trim or casing width.
How much clearance is needed above the opening.
Total door width will be 36.
Since the door sits off the wall in order to slide it must be wider that the opening to fully hide the opening.
While the style of barn door you choose will come down to your personal preference you.
The barn door should be at least 2 4 inches bigger than the opening but that is subjective to your taste and home s decor.
Measure from inside to inside of the opening.
In this example the opening width is 32 4.
Measure from the header to the floor to determine the door.
Stellar recommends a minimum of 14 x 14 for the door and a barn at least 40 x 60 x 16 for just trailer storage.
We recommend 1 1 2 to 2 of overhang on each side.
For our standard barn door hardware you need 6 inches of above opening clearance.
Barn door measuring guide for door openings with casing molding.
Measure across for the width and from the top of the casing molding to the floor for height.
How to measure for a barn door in three steps using a tape measure begin at the left edge of the opening and measure straight across to the right edge.
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.
To figure out what size track you need double your final width measurement.
If you want to store tractor and trailer go with a 40 x 80 x 16 pole barn.