LP® SmartSide® products deliver all the warmth and beauty of traditional wood, plus the durability and workability of engineered wood. The Smarside manufacturing process actually improves upon nature, creating products that are engineered for strength, performance and protection against fungal decay and termites. The LP SmartSide product line features a variety of lap siding solutions, all available in 16-foot lengths for fewer seams and faster installation. Lap offerings are available in three of our product collections. Each grouping offers a variety of unique styles and profiles.