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A Veteran-Owned Company
A Veteran-Owned Company

NAC Subseal Liquid Waterproofing Membrane

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$45.80 USD
SKU 40020001


  • Ready-to-use waterproof liquid-applied membrane
  • Functions as sealant, stand-alone crack suppression and moisture barrier
  • For interior and exterior applications
  • Can be easily applied with trowel, roller, brush or sprayer
  • Approximate coverage - 110 sq. ft. per gallon
  • Assures waterproof integrity of corners and seams in wet applications
  • Quick drying for same day tile installation
  • Flood test in less than 24 hours


SubSeal is a high solids, ready-to-use, elastomeric waterproofing membrane with sealant, stand-alone crack suppressant qualities for interior and outdoor applications on concrete, wood, and other hard surface substrates. Easily apply the liquid membrane with a trowel or roller in a thin, flexible layer to provide superior waterproof protection. Subseal bonds to it's substrate and creates a new surface to accommodate A118.4 or better latex mortars, organic adhesives and solvent-free epoxy setting materials.


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