DUROCK™ SPEED™ Self-Leveling Underlayment

DUROCK™ SPEED™ self-leveling underlayment is a fast-applying high alumina cement-based product for interior use over concrete subfloors. Formulated using an HAC based/Portland cement blend (ASTM C150), SPEED self-leveling underlayment:

  • Allows installation of floor coverings after 16 hours, depending on underlayment thickness and drying conditions
  • Provides a minimum compressive strength of 5000 psi (after 28 days drying time)
  • Offers smooth, crack-resistance surface
  •  Meets requirements of ASTM F-710 “Standard Practice for Preparing Concrete Floors to Receive Resilient Flooring”
  • Is engineered and manufactured by USG


Additional Resources

Quick Facts

  • Building Environments:
    • Patient Rooms,
    • Open Plan Offices,
    • Single-Family Residential,
    • Multi-Family Residential/Condos,
    • Guest Rooms/Suites
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