DuPont™ Styrofoam™ Brand Scoreboard Extruded Polystyrene (XPS) Foam Insulation is an extruded polystyrene foam insulation board that is scored longitudinally on 16" and 24" centers, making it easy to size to commonly used widths, cut and install. It has excellent insulating characteristics, high resistance to water and water vapor, exceptional compressive strength and long-term durability. Styrofoam™ Brand Scoreboard Insulation is designed for use in exterior cavity wall and foundation applications. Like all Styrofoam™ Brand Extruded Polystyrene products, Styrofoam™ Brand Scoreboard resists moisture to deliver a stable R-value over the long term.