Center Match paneling is the most common name for this paneling. We produce a square sholder center match that looks like a board on board with no gap. We produce these in nominal sizes. 1 x 4, 1 x 6, 1 x 8, 1 x 10, 1 x 12. Available in Poplar, pine, cypress, cedar, and many other woods.
Center Match paneling has No gap on either side to produce a tight board on board look.