Self-Leveling Underlayments

Fiber-Reinforced Underlayment

Fiber-Reinforced Underlayment

Extreme-performance, triple-fiber reinforced self leveler. Can be used over single-layer wood subfloor.* Recommended for use with radiant heating systems.*

  • Triple-fiber reinforced, extremely low shrinkage.
  • Super-fast curing – walkable in 2– 4 hours, install flooring in 6 hours.
  • From 1/16"–1½" depth in a single pour.
  • Can be used over green concrete (RH 95% or lower).
  • 6,000 psi compressive strength.
  • Contains 10% pre-consumer recycled content and zero VOC.
  • Available in 50lb. bags.

Note: All surfaces must be primed with TEC® Multipurpose Primer before installing Fiber Reinforced Underlayment.


* Certain installation requirements apply.  See TEC® Product Data Sheets for more information, proper installation of products and limitations.

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Fiber-Reinforced 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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TEC Fiber Reinforced Underlayment Sell Sheet