Shiplap uses a rabbeted overlap where one board laps the next, creating a distinct shadow line that emphasizes horizontal courses, while tongue & groove uses a projecting tongue on one edge that fits into a mating groove for a tight, interlocking seam. These joint types influence installation tolerances, movement under humidity, and the finished appearance of walls, ceilings, or siding.
🌲 Building With Nature: Why Eastern Red Cedar is the Smart Choice
Homeowners, builders, and DIYers alike want products that look beautiful, last for decades, and are safe for their families and the environment. At Mountain Milling Co., that’s exactly what we provide through our passion for Eastern Red Cedar.