LP® SmartSide® ExpertFinish® Trim & Siding offers Advanced Durability for Longer Lasting Beauty™. This engineered wood siding from LP provides jobsite efficiencies when compared to alternative substrates while also helping bring your exterior vision to life. LP SmartSide ExpertFinish products include Lap Siding, Shakes, Panel Siding, Vertical Siding, Trim, Fascia, Soffit, and Accessories. Backed by an industry-leading warranty, these are products that you can count on. Explore the SmartSide difference below.