USG Durock™ Surface™


Premium engineered cementitious underlayments

USG Durock™ Brand Surface™ Self-Leveling Underlayments are designed for interior use in commercial, institutional and rehab construction.

Features and Benefits

USG Durock™ Brand Surface™ Self-Leveling Underlayments provide a smooth, hard underlayment surface over concrete slabs, pre-stressed concrete and concrete planks at thicknesses up to 3 in. (76 mm). Suitable for a variety of floor coverings, USG Durock™ Surface engineered cementitious underlayments exceed commercial vinyl floor-covering requirements as a high-performance underlayment with compressive strengths ranging from 4,500 to 5,500 psi (31.0 to 37.9 MPa).

  • Innovative, self-sealing technology
  • Fast application, fast-setting allows for return of light trade traffic within hours
  • High compressive strength—stands up to commercial and institutional use
  • Ideal for renovating concrete subfloors—can be applied at various thicknesses
  • Can be applied to concrete surfaces without requiring mechanical profiling


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United States Gypsum Company

550 West Adams Street

Chicago, IL 60661

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