In instances where casing is present we recommend building the door to the same size as the opening casing.
How to measure for a barn door.
For the most appropriate door width dimensions measure the opening and add a few inches.
How to measure for a barn door barn door opening measurements.
Record the door width.
Measure your home s doorways.
The barn door you choose needs to be slightly larger than the opening of the door frame it.
Trimmed or cased opening width.
Your next step is to calculate the width of the door s opening starting from inside the door jamb on.
This may seem like common sense but sliding barn doors aren t your typical door.
Make sure you have space.
Measure from the header to the floor to determine the door.
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.
Find the right width.
For the door height we recommend measuring from the floor to the top of the casing.
In this example the total.
Measure the doorways stairways and hallways leading to the room where your barn.