Home > Shop > Drywall & Insulation > Insulation & Vapour Barrier > Rigid Foam > 2x8x2" STYROFOAM SM SHIPLAP (R10) 2x8x2" STYROFOAM SM SHIPLAP (R10) Item #: 05069570 Mfr #: 2SMT4 $41.44 each Checking Inventory Add to Cart Overview: TYPE 4 - 30PSI