Moisture Vapor Barrier
Education Spotlight: Why a Moisture Vapor Barrier Is Non-Negotiable in South Florida
If you’re installing coatings on concrete anywhere in South Florida, moisture isn’t a possibility – it’s a certainty. High humidity, elevated groundwater tables, and year-round temperature swings create constant vapor pressure beneath slab-on-grade concrete. At Chromology Florida East Inc., located at 10408 W State Rd 84, Davie, FL 33324, we work every day with epoxy installers, commercial property managers, general contractors, and professional painters who have learned this lesson the hard way: moisture vapor is the number one cause of floor coating failure.
As a trusted epoxy supplier in Davie, FL, we specialize in premium concrete coatings Florida professionals rely on, including industrial-grade moisture vapor barrier systems designed to stop failures before they start. Education is part of our service – because the right system begins with the right decisions.
What Is a Moisture Vapor Barrier – and Why Do You Need One?
A moisture vapor barrier is a specially formulated epoxy primer engineered to block rising vapor from within the slab. Without this protective layer, moisture becomes trapped beneath the coating system. Over time – or sometimes within weeks – that trapped vapor compromises adhesion and destroys performance.
Common moisture-related failures include:
- Blistering and bubbling
- Delamination and peeling
- Discoloration or cloudy finishes
- Costly callbacks and complete floor failure
Even when a slab looks dry, it can still be emitting moisture at levels high enough to break a bond. In South Florida’s humid, vapor-active environment, assuming dryness is a gamble. That’s why every coating job within roughly 120 km of Davie – from Fort Lauderdale to West Palm Beach to Miami – should begin with a moisture test and a barrier when readings exceed limits.











