R-2.81 Rigid Insulation - PlastiSpan - 14-1/2" x 48" x 0.75" (28.0 Sq.ft)
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PlastiSpan insulation retains its R-value for life of the project, Great for arts and crafts projects, Cut for installation on 16" OC, R 3.75 per inch of thickness, Ideal for both exterior and interior applications, Meets building code requirements for roofs, walls and foundations