It should be tall enough so that when it s hung on the track there is about 1 2 inch of space between the bottom of the door and the floor.
How to measure for a barn door track.
This is vital because when the door is completely open the barn door track length needs enough room for the door to slide out of the way entirely.
There must be a support beam or strong studs in place on which to anchor the sliding track and there should be ample space between the top of the opening and the ceiling to install the track.
This will be the length of track you need at a minimum.
The barn door should be wide enough to completely cover the doorway with an inch or two of overhang on both sides and about one inch at the top.
If your door track will be placed higher than this measure from the floor to the pencil mark on your wall then also subtract 1.
That s right you re going to need to know exactly how much door space your working with.
If you have an odd sized door it is best to order track that is longer to make sure that you have enough.
Now that you have your ideal barn door size determine what track length to buy.
Take the above measurement of your door and double it.
But before you start comparing which style of door you want or deciding on a railing system you like you ll need to take a step back and do some math.
Measuring a barn door first make sure that the header space over the opening can support the weight of the hanging barn door.
Take the width measurement for your new barn door and multiple it by two.
For the door width.
These tracks can be cut to size on site so that you will not be in a situation where you are short.
Barn door measuring guide.
Check out our online portfolio of reclaimed wood sliding barn door examples.
To measure the size of the track you need.
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.
Record the door width for the most appropriate door width dimensions measure the opening and add a few inches to this measurement approximately 4 to 6 inches.
For example a 39 door would require 6 5 of track material order a 7 track length.