Add 2 to 4 per door for overlap depending on privacy needs.
Barn door height above opening.
I know that people typically extend the header to encompass the full length of the rail.
And measure from the top of the opening to the floor for height.
I m going to install a sliding door on a master ensuite closet opening.
Once hung the door will be another 1 2 off the floor for a total coverage above the door of 1.
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.
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.
You also need the door to hang to 1 inch above the flooring to ensure smooth operation.
For a sheet rocked opening we recommend the door height be 1 2 larger than the opening.
This is to be used as a guide only.
All door openings vary depending on the height of the door and where you want to hang your door.
The graphic below simulated a door over the opening.
Again for doorways with moldings measure from the top edge remember the track will be installed a few inches above the opening so you will need to factor that in.
You will need a minimum of 6 between the ceiling or crown molding and the top of the door molding or opening for the hardware to mount depending on the style hardware that you choose.
You can hang your door as high to the ceiling as you want or as close to your opening as you like it is all design preference.
For our standard barn door hardware you need 6 inches of above opening clearance.
The opening will have full trim with 3 5 side casing and a 5 5 header see pic for an example of another door trimmed the same way.
Barn door measuring guide.
If you replaced an old door with a sliding barn door don t throw it away.
Standard barn door sizes most barn door sizes fall anywhere between 36 wide on the shorter side by 96 tall on the longer side.
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.
When closed over the opening the door will cover all of the casing for a cohesive look.
How much clearance is needed above the opening.
For a standard single door first account for any casing around the opening.
The height is a bit trickier based on the casing and header.
In order to slide we recommend mounting the door 1 above the finished floor.
For the height of the door measure from the finished floor to the top of the opening or to the top of the casing.
30 opening 34 wide door.