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All Categories > Air/Vapor Barriers & Flashing > Moisture Vapor Reduction Systems > Arizona Polymer Flooring > Arizona Polymer Epoxy Moisture Stop Primer (EMS-P)  
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Arizona Polymer Epoxy Moisture Stop Primer (EMS-P)

EMS-P is a specially formulated water-based epoxy designed to provide superior adhesion over concrete with high levels of moisture vapor emissions. When used with the companion finish coat, 100% solids EMS, a coating system is achieved that reduces moisture vapor emissions to acceptable levels for all flooring and maintains its bond under continuously moist, alkaline conditions. EMS-P is also an ideal primer over damp or green concrete. The product may be applied at temperatures between 40-100ºF.

EMS-P is based on epoxy curing agent technology with over 30 years of success as a concrete primer. It has been formulated with very low viscosity and surface tension to insure excellent substrate wetting, penetration and adhesion. Laboratory testing has shown that EMS-P penetrates 25-30% deeper into concrete than low viscosity (250 cps) 100% solids epoxy. This exceptional penetration and adhesion gives EMS-P a distinct advantage over 100% solids epoxies when coating concrete that has interior contamination that cannot be detected without laboratory analysis.

EMS-P is reacted with Bisphenol F epoxy rather than the standard Bisphenol A. This results in more crosslinking and a tighter coating film. This means less moisture vapor transmission and better resistance to alkaline water at the bond line. The material contains no plasticizers, phenols or unreacted amines that could migrate out of the cured coating and trigger osmotic blistering. EMS-P and EMS together form the EMS moisture remediation system. The EMS system is designed to remediate all concrete moisture problems, regardless of severity. EMS may be used in new construction
settings when the concrete is not dry enough to allow for the installation of moisture sensitive flooring and the construction schedule must be met. It can be used over concrete with known moisture problems and over concrete placed with no vapor retarder as a means for preventing future moisture problems.

Item #

Product Name


Unit Quantity

AFMVSPRIME.3QT Arizona Polymer Epoxy Moisture Stop Primer (EMS-P) 3 Quart (Two Component) Unit Per 3 Quart Unit
AFMVSPRIME.3U Arizona Polymer Epoxy Moisture Stop Primer (EMS-P) 3 Gallon (Two Component) Unit per 3 Gallon Unit


APF EMS Primer Data Sheet