First you will need to measure the size of your door opening and determine the width and height you want your door to be.
Tongue and groove for barn doors.
Build the door as a blank and then cut it down on a table saw to make it fit the opening.
Materials for building a tongue and groove barn door.
Diy barn doors step 1 selecting the material.
Since i wanted my door to be 37 inches wide to cover the opening and my 6 pieces of 1x6 inch tongue and groove which really measures 75 x 5 5 inches only measures to 33 inches when assembled 5 5 x 6 33 my 7th tongue and groove board needs to be cut down the middle using a table saw to two 2 inch pieces.
Do this for the top and bottom and sides as needed.
Trim the excess tongue and groove boards off using a circular saw.
Lay all of your pine tongue and groove out.
I would purchase a few extra just in case you make a mistake.
10 pieces of tongue and groove pine 8 ft tall or however tall you want it it comes in 6 ft 8 ft and 12 ft at home depot.
Start by building a door for a 36 inch opening with typical 4 by 96 inch tongue and groove wood.
I also like this board because it has.
How to build a sliding barn door.
The tongue and groove shiplap is the base of our door so we trimmed each of those planks to 7 tall.
With the right bracing a door made from tongue and groove wood is solid and will hold up over the years.
Here is what we used to make our barn door.
Our door opening is 4 wide so we built ours to be 4 wide and 7 tall.