Flooring Prep - Surface Prep

Available U.S. Only
High-Performance Trowelable Premium Finishing Underlayment

PrepStar™ is a cement-based, rapid-drying, trowelable skimcoat used to smooth interior subfloors prior to the installation of the finished floor covering. Many common coverings can be installed in as little as 15 minutes. PrepStar industry-leading technology allows application over a wide variety of properly prepared substrates without priming or the use of an additive, including concrete, wood, ceramic, quarry tile, VCT, cutback residue, non-water-soluble adhesive residue and sheet vinyl (when used as an embossing filler).

Packaging: 10 lbs. Bag


  • Bonds to a wide variety of substrates without priming or the use of an additive
  • Accepts many common floor coverings in as little as 15 minutes
  • Tenacious adhesion

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