A power miter box simplifies cutting the tongue-and-groove boards to length and mitering the moldings and shelves. We used 9/16-in. thick “beaded” tongue-and-groove clear Douglas fir for the ...

Most shiplap and tongue and groove planks are wood. If you plan to paint the finished paneling, you’ll save money by using inexpensive pine planks or MDF, both of which are available primed.