USG Structural Panel Concrete Subfloor is a cured-in-factory panel that is noncombustible, inorganic, mold-, moisture-, termite-resistant and dimensionally stable floor assembly suitable for many floor finishes. This Structural Panel can be used in mid-rise, modular, mezzanine, theater and other applications, providing the structural stability as well as other benefits such as design flexibility. Meets ASTM E136-16 for all types of noncombustible construction.