R-7.5 (15 PSI) Owens Corning Foam Board 1 1/2" x 4' x 8' 1631274

Energy-saving, moisture-resistant foam board insulation with limited lifetime warranty
Square-edged foam board
Strong, lightweight panels don't require special tools
20% recycled content
Provides a continuous layer of insulation, sealing buildings from air and moisture intrusion in above and below grade applications
Commonly referred to as XPS foam board
Maintains 90% of R-value for the lifetime of the building
For above grade or below grade application
For use below concrete slabs, use a 25 PSI or greater foam board
Scored square edge