Measure from the outside of the casing to the outside of the casing for the door width.
How to determine size of barn door hardware.
Barn door measuring guide for door openings with casing molding.
This will be the length of track you need at a minimum.
If your doorway doesn t have a trim measure the width of the inside of the door frame from left to right.
The barn door you choose needs to be slightly larger than the opening of the door frame it will cover.
If the doorway has moldings measure from outside edge to outside edge to determine the proper door width add about 4 to 6 inches to your measurement.
For example if you have a 30 opening you would order at least a 34 barn door.
In this example the total height is 83.
Add 2 4 to this measurement so your barn door completely covers the entryway without drafts or slight openings.
For the width of your barn door we recommend at least a 4 overlay.
For the door width.
The door s height width thickness and weight will all play a factor in the hardware that it will require.
Measure the door opening add a few inches to this measurement about 6 inches or so depending on how much space you have and this will be the total door width.
In this example the total width is 38.
All barn door hardware kits will have minimum and maximum requirements for each one of these size attributes so make sure that your door is compatible.
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 outside to outside of casing molding.
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.
For the door height we recommend measuring from the floor to the top of the casing.
To measure the size of the track you need.
Add 1 to 2 per door for overlap depending on privacy needs.
Take the above measurement of your door and double it.
Measure across for the width and from the top of the casing molding to the floor for height.
For example if you have an 83 opening you would order at least an 84 barn door.
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.