STYROFOAM™ Brand HIGHLOAD 60 Insulation STYROFOAM™ Brand HIGHLOAD 60 Insulation has a minimum compressive strength of 60 psi (415 kPa). The Type VII extruded polystyrene insulation resists compressive creep and fatigue, delivering long-term compressive strength and thermal performance in high-load applications. Building Code ComplianceComplies with ASTM C578 Type VII. Meets IBC/IRC requirements for foam plastic insulation. Meets CAN/ULC S701 Type 4. See ICC-ES NER-699, BOCA-ES RR 21-02. UL Classified, see Classification Certificate D369.
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