Measure from the header to the floor to determine the door.
Measuring a barn door.
For the door height we recommend measuring from the floor to the top of the casing.
Measure the trim measure from the outside edge of the trim to the inside edge.
Trimmed or cased opening width.
Next you ll want to determine the height you want your door to be.
Multiply the trim size by 2 and add it to the opening width.
How to measure for a barn door barn door opening measurements.
Add 1 to 2 per door for overlap depending on privacy needs.
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.
Make sure you have space.
Add that amount to the opening height.
While the style of barn door you choose will come down to your personal preference you.
Record the door width.
For the most appropriate door width dimensions measure the opening and add a few inches.
Measure from outside to outside of casing molding.
This may seem like common sense but sliding barn doors aren t your typical door.
Measure across for the width and from the top of the casing molding to the floor for height.
In instances where casing is present we recommend building the door to the same size as the opening casing.
In this example the total.
To start measure the width of your door opening from outside molding edge to outside molding edge and add 1 inch or more on each side for overlap.
To figure out what size track you need double your final width measurement.
How to measure for a barn door track in 4 steps step 1.