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Moisture Guard Max

Moisture Guard Max

Size: 3 Gallon Kit
Flooring Preparation: Moisture Control

Moisture control is essential for a long lasting finished floor. ProSpec Moisture Guard Max reduces the amount of moisture vapor passing through a concrete slab below the recommended levels from adhesives, coatings and floor covering manufacturers.


  • Meets the Product Performance Requirements of ASTM F3010-13
  • Can be applied to on-grade, above-grade or below-grade concrete substrates
  • Apply to concrete with a relative humidity (RH) up to and including 100%
  • Reduces 25 lbs of moisture vapor transmission to less than 3 lbs
  • Up to 97% reduction in moisture vapor transmission
  • Alkali resistant to a pH14
  • Low VOC
  • Low viscosity mix ensures maximum penetration of the concrete substrate to fill in pores and voids
  • One-coat application
  • Easy mix formula (2 parts A to 1 part B by volume)
  • Non-flammable


  • Properly prepared new (at least 7 days old) or existing concrete substrates
  • Properly prepared and fully cured lightweight concrete