To figure out what size track you need double your final width measurement.
Measure for barn door.
Record the door width.
Multiply the trim size by 2 and add it to the opening width.
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.
If your frame has a casing measure from the floor to the outside edge of the casing.
To determine the ideal height for your barn door you will have to measure from the floor to the top of the door frame.
For the most appropriate door width dimensions measure the opening and add a few inches.
Let s take a look at on example.
Measure the trim measure from the outside edge of the trim to the inside edge.
How to measure for a barn door track in 4 steps step 1.
This may seem like common sense but sliding barn doors aren t your typical door.
Finally add one inch to whatever your final measurement was.
Your next step is to calculate the width of the door s opening starting from inside the door jamb on.
Measure from the header to the floor to determine the door.
Add that amount to the opening height.