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Durock™ Brand CoverPrep Moisture Vapor Reducer

Universal low-prep moisture vapor barrier.

Key Documents & Design Files



USG Durock™ CoverPrep Moisture Vapor Reducer is a specially formulated 2-part water-based epoxy that creates a stable and protective barrier between problematic concrete substrate conditions and subsequent floor preparation systems including wear surface coatings and floor coverings.

Main Features

  • For use over concrete; chemically abated slabs, thin layers of non-water soluble adhesives and adhesive cutback, asphalt-based products, vinyl tiles, terrazzo and other well bonded solid surfaces
  • No mechnical perparation required for most applications
  • Addresses MVER rates up to 14 lbs/1000 sq. ft./ 24 hours
  • Manages up to 14 pH

Documents & Files

Data Sheets & Specifications

Data/Submittal Sheet (English) PDF 466.5 KB

White Papers

Sell Sheet (English) PDF 4.5 MB

Catalogs & Brochures

Brochure (English)

Project Profiles

Project Profiles (English) PDF 9.8 MB

SDS, Certifications & Reports

SDS (English)

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