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USG Durock RH-100 Moisture Vapor Reducer

A 100% solids epoxy coating specially formulated for interior use over concrete with high moisture and/or pH levels. Durock RH-100 Moisture Vapor Reducer manages moisture and alkalinity in concrete subfloors from negatively affecting underlayments and floor coverings for interior use.

USG Durock RH-100 Moisture Vapor Reducer

Features & Benefits

  • Reduces the inherent alkalinity in high-moisture areas that can effectively break down your flooring adhesives and lead to failure
    • Protects floor coverings from concrete alkalinity up to 14 pH)
  • Low viscosity, promotes superior penetration and adhesion
  • Has a moisture tolerant formulation that makes it suitable for concrete subfloors up to 100% RH
  • Fast cure – becomes tack-free in as little as four hours
  • 100% solid epoxy
  • Low VOC emissions
Technical Specs SDS (A) SDS (B) View Warranty