STYROFOAM Brand Scoreboard Insulation is a type IV extruded polystyrene foam insulation that is scored for easy sizing. STYROFOAM™ Brand Scoreboard 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. STYROFOAM™ Brand Scoreboard Insulation has excellent insulating characteristics, high resistance to water and water vapor, exceptional compressive strength and long-term durability.