Radiant Heat Floors - Cable Systems

Smooth Start™ Self Leveling Underlayment

SmoothStart 50lb

Smooth Start™ Self Leveling Underlayment

Standard, fast setting self leveler. For feather-edge up to 1" in a single pour, or up to 5" with proper aggregate.

  • Low shrinkage.
  • Cures quickly, walkable in 2-4 hours; install most flooring after 24-48 hours; ceramic tile installation after 12-16 hours.
  • Extended working times for maximum usability.
  • Pumpable, pourable, free flowing.
  • Can be used over green concrete (95% or lower).
  • 4,000 psi compressive strength.
  • Contains 25% pre-consumer recycled content and zero VOC.
  • Available in 50 lb. bags.

Note: All surfaces must be primed with TEC® Multipurpose Primer before application of Smooth Start.

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Smooth Start™ Self Leveling Underlayment


We are updating our MSDS, now called SDS, to support the Global Harmonization System of Labeling and Classification (GHS). This new UN designed system for safety data sheets provides a unified standard for communicating the classification of chemicals and associated hazards. Click the icon to learn more.



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