2 in. x 2 ft. x 8 ft. R-10 Styrofoam Ship Lap Foam Insulation Board | FMX2.5-25-28SL-DW

Dow's Styrofoam Ship Lap Insulation has excellent insulating characteristics, high resistance to water and water vapor, exceptional compressive strength and long-term durability. The compressive strength of each board is 25 PSI.

• Ship Lap
• Impact resistant
• Stable, long-term R-value
• Comprehensive strength: 25 PSI