2 ft. x 4-1/2 in. R1.93 Styrofoam Insulation

R-Tech is an engineered rigid insulation consisting of a superior closed-cell, lightweight and resilient expanded polystyrene (EPS) with advanced polymeric laminate facers. R-Tech Insulation is successfully used in numerous commercial, industrial and residential applications, such as: Interior & Exterior Wall Insulation, Single-Ply Roof Insulation, Foundation, Perimeter, Slab & Basement Insulation, and Freezers & Cold Storage