Epoxy Moisture Vapor Barrier

What is a Moisture Vapor Barrier for Epoxy Flooring?

A moisture vapor barrier is a specialized protective primer layer applied directly to the concrete slab before the epoxy coating. Its main job is to prevent hydrostatic pressure and vapor emissions from rising through porous concrete, which can cause severe bubbling, blistering, peeling, or adhesion failure of the epoxy topcoat.

Concrete naturally allows moisture to pass through, especially in areas with high groundwater tables or unsealed sub-bases. By applying a commercial-grade moisture vapor barrier, we create a chemical seal that locks onto the concrete, ensuring a long-lasting, permanent bond for your floor system.

To guarantee your epoxy floor performs flawlessly for decades, Epoxy Pros tests every concrete slab for relative humidity and moisture vapor emissions before installation. If moisture levels exceed safe thresholds, applying a moisture vapor barrier is the essential step that protects your investment and ensures complete warranty protection.

• ✓Handles up to 25 lbs / 1,000 sq ft / 24 hrs of moisture vapor emissions (MVER)
• ✓Tested with in-situ relative humidity (ASTM F2170) and calcium chloride methods
• ✓Deep penetrating 100% solids epoxy formulation that fuses inside concrete capillaries
• ✓Guaranteed foundation for full Lifetime Limited Warranty protection