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HydroPhase® APMB

HydroPhase APMB (Advanced Primer and Moisture Barrier) is a unique patented Nanotechnology Reactive Polymer that combines a one-step primer and moisture barrier underlayment with superior performance, rapid installation and permanent moisture control.


HydroPhase Advanced Primer and Moisture Barrier (APMB) is an easy application prime and prep moisture barrier for flooring.

  • Use where up to 100% RH\
  • Use where up to 14 pH
  • Use where up to 25 lbs MVER
  • Use on freshly placed and existing concrete
  • APMB penetrates deeply into substrate
  • Dries clear and is both penetrating and micro-film forming
  • Quick Drying, ready for HydroPhase C150 SL, finished floor covering and many coatings in 60 minutes or less
  • Exceeds ASTM F3010-13 requirements for vapor reduction when tested in accordance with ASTM E96, independently tested at less than 0.07 perm when
    installed as per installation instructions
  • Zero VOC Water-based, non-toxic
  • Designed for rapid turnaround with maximum protection

Suitable substrates & uses:

  • Use on freshly placed concrete cured for 72 hours and free of surface water
  • Existing concrete substrates
  • No minimum surface profile required
  • Lightweight or structural concrete
  • May be used directly under moisture or alkaline sensitive floor coverings
  • May be used on all interior porous substrates
  • Mechanical preparation is required to remove all contaminates or surfaces that are
    less than 175 psi tensile pull strength


5 Gallon Pails, 36 pails per pallet

Data Sheets