Ready for Everything R-TECH has been used successfully for numerous commercial, industrial and residential roofing, wall and below-grade applications. Panels are available in a wide range of sizes, thicknesses and compressive strengths up to 60 psi. R-TECH® Rigid Foam Insulation R-Tech Panels are an engineered rigid insulation consisting of a superior closed-cell, lightweight and resilient expanded polystyrene (EPS) with advanced polymeric laminate facers. R-Tech is available with factory-adhered metallic-reflective facers, white facers or a combination of the two. The core of R-Tech is the same high-quality EPS as our InsulFoam insulations and meets or exceeds the requirements of ASTM C578, Type I, Standard Specification for Rigid, Cellular Polystyrene Thermal Insulation. In addition, R-Tech has excellent dimensional stability, compressive strength and water resistance properties. R-Tech can contribute toward LEED® credits. Consult local building codes and membrane manufacturers for system requirements.