LEVELROCK Floor Underlayment




Information about the Masonry Industry

USG’s LEVELROCK brand 4500 NXG floor underlayment is a high-performance, cementitious underlayment designed for interior use in a wide variety of commercial, institutional and rehab construction projects. It provides a smooth, hard surface that provides long life over concrete slabs, pre-stressed concrete and concrete planks at thicknesses from featheredge (with proper sand) to two inches. Suitable for use with a variety of floor coverings, the underlayment offers compressive strengths of up to 5,500 psi. Quick application and setting times, combined with high production rates, permit the resumption of trade traffic within hours of the underlayment pour.