Shiplap and tongue and groove paneling are ... Unlike the dark and dreary look of the 1960s and ‘70s—big sheets of plywood with a laminate surface—today’s paneling is often ...

The plywood is nailed to the roof rafters, and unless the builder used a tongue-and-groove plywood or "H" clips, the long edge can warp in between each rafter.

The plywood is nailed to the roof rafters, and unless the builder used a tongue-and-groove plywood or “H” clips, the long edge can warp in between each rafter.

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.If ...