An extruded polystyrene foam insulation board with high compressive strength developed specifically for in-ground applications and freezer floors.
Building Code Compliance Complies with ASTM C 578 Types V, VI and VII. Meets IBC/IRC requirements for foam plastic insulation. See ICBO-ES ER 2257, BOCA-ES RR 21-02, SBCCI PST & ESI ER 9576D, Und. Lab. Inc.® Classified, see Classification Certificate D369.