The 3/8" 4X8 Smart Panel with 8" on center spacing is a type of construction panel made from engineered wood, specifically LP (Louisiana Pacific) material. The panels are designed to be used for sheathing and siding in building projects, providing a sturdy and reliable base for exterior finishing materials. The 8" on center spacing allows for a stylish exterior. Measuring 4 feet by 8 feet and with a thickness of 3/8", these panels are a versatile building material suitable for a variety of construction applications. The Smart Panel technology provides enhanced strength, durability, and resistance to moisture, making it an ideal choice for outdoor projects.