Building Materials

1-1/2" - 4x8 DOW XPS Scoreboard R7.5 Compliant

The Dow 1580 SB Scoreboard Blue XPS Styrofoam Foam Insulation Board is 1.5 in x 4 ft x 8 ft and has an R-7.5 rating. It is scored longitudinally on 16 in and 24 in centers. It has excellent insulating characteristics, high resistance to water and water vapor, exceptional compressive strength, and long-term durability. It is easy to size to commonly used widths and is used in exterior cavity wall and foundation applications.