Even if your boards would fully span the width of your wall consider staggering your shiplap anyway.
How to make shiplap siding.
If there is any other way i can help you get your shiplap on leave me some feedback in the comments below.
Turning standard planks into shiplap siding is a simple process.
Shiplap adds a ton of character and warmth to a room and with this technique you can make more than enough shiplap without having to comb through salvage yards for hours on end.
Before you install your shiplap boards open your boxes and let the flooring adjust to the room temperature and moisture for at least 48 hours.
The first step in your shiplap accent wall is to remove everything from the wall including any nails use a putty knife to gently pry and remove baseboards crown moulding and trim.
The shiplap is formed by cutting a rabbet into opposite faces of the top and bottom of each plank.
Remove wall plates and outlet covers.
Another option for making shiplap yourself is to use a shiplap router bit set.
For example if your wall is 20 feet 6 1 m wide and your shiplap siding is only 15 feet 4 6 m you ll need to cut an additional 5 ft 1 5 m section of shiplap to finish the row.
Wide and the other at 3 4 in.
The build article with more detail.
That way when you install the boards you re left with a 1 4 in.