PlastiSpan Type 2 R4.04

PlastiSpan Type 2 rigid insulation is a type of expanded polystyrene (EPS) foam insulation with a density of 1.35 lb/ft³. It has a thermal resistance (R-value) of 4.04 per inch of thickness, making the 4' x 8' x 1" panel have an R-value of 4.04. It is commonly used in various construction applications for both residential and commercial buildings, including walls, roofs, and foundations.