To figure out what size track you need double your final width measurement.
How long barn door track should be.
Most barn door hardware tracks over 7 feet long will be shipped in two sections and all tracks longer than 14 feet will be shipped in three or more sections with splice pieces.
Ideally the door will cover 2 to 3 inches beyond the opening on each side.
We recommend 1 1 2 to 2 of overhang on each side.
To calculate simply follow this equation.
2 flat steel track track joint brackets spacers screws lag bolts carriage bolts hanger rollers bottom roller guide and bottom rollers.
Take the width measurement for your new barn door and multiple it by two.
Structural support is required barn doors can be heavy up to 200 pounds or more so for sturdiness most people mount the track to a header attached to the wall studs above the doorway.
The barn door hardware track is 3 16 thick and 1 1 2 wide.
If you have an odd sized door it is best to order track that is longer to make sure that you have enough.
Check out our online portfolio of reclaimed wood sliding barn door examples.
For example a 39 door would require 6 5 of track material order a 7 track length.
Measure from the header to the floor to determine the door length you need.
30 opening 34 wide door.
A 3 foot door requires 6 feet of track.
Shop our complete sliding barn door and hardware kits online each sliding door kit includes.
Width of door x 2 4 to 6 inches of space minimum track length.
Whatever your measurement is for at least twice the width of the door plus the extra 4 to 6 inches that will be your minimum track length.
This is how long your track length should be at minimum for a single sliding door.
If you have a double door you will need a track that is four times the width of one barn door.
The height is a bit trickier based on the casing and header.
The hardware with the sliding barn door system should include the following.
You can extend the track length for stylistic reasons if you wish.
Again for doorways with moldings measure from the top edge.
You should order track length twice the width of the door.