High-strength, portland cement-based floor underlayment Compressive strengths up to 6,000 psi Formulated for use over concrete subfloors in commercial and institutional buildings Quick drying time...
Specifically formulated for buildings with cold-formed steel frame construciton Average thickness of 1 9/16 in. Minimum compressive strength of 3,500 psi UL-rated for 1 to 2 hour fire ratings