Shiplap is a type of wood paneling with an opposed lapped joint on each horizontal edge of the board. This L-shaped joinery is called a rabbet. When shiplap boards are joined together at their ...
Shiplap is a building material made of wide wooden boards that fit together to form a flat surface. If you've watched an episode of HGTV's wildly popular "Fixer Upper" recently, you know it well.