Wainscoting is a broader term that describes any type of molding (beadboard, board-and-batten, and V-groove are among some of the common types) that covers a portion of a wall. In other words ...
Too sturdy, and breaking apart is a hassle. Too weak, and the board may break or twist before its time. On top of that, edges must also break cleanly. We’ve covered panelizing PCBs in this way ...