Moisture-resistant extruded polystyrene rigid insulation specifically designed to insulate above-ground exterior walls and interior foundation walls and under concrete floor slabs.
Exceptional moisture resistance with compressive strength of 30 lb/ft² (30 PSI). Insulation panel with shiplap edge joints (L-rabbeted) on all four sides. Lightweight and easy to handle, making it easy to cut and install.
Offered in select stores only, check quantities before ordering.