USG Durock Primer-Sealer

  • Enhances the bond between the substrate and the underlayment
  • Effective in the treatment of underlayments prior to application of water-based floor-covering adhesives
  • Has no adverse effect on floor-covering adhesives
  • Mildew-resistant; does not stain finished


High quality floor underlayment primer and sealer in one. Ideal for priming surfaces and subfloors prior to application of poured underlayment. May also be used as a sealer for Durock Brand Self-Leveling Underlayment.

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