Fast cure. Superior adhesion. Built for professional flooring installs. Get jobs done faster with Moisture Seal PRO Epoxy Flooring Primer, a professional-grade moisture barrier and primer engineered for epoxy flooring systems. Designed for both concrete slabs and plywood subfloors, it creates a durable foundation for flake and metallic epoxy floors while reducing project turnaround time. With a fast 3 to 5 hour walk-on time, same-day top coating, and a simple 2:1 mix ratio, Moisture Seal PRO helps contractors complete more floors in less time without sacrificing performance. Why Pros Choose Moisture Seal PRO Epoxy Flooring Primer: Fast Cure: Walk on in as little as 3 to 5 hours Same-Day Top Coats: Keep projects moving and finish projects faster Superior Adhesion: Bonds aggressively to concrete and plywood subfloors Moisture Barrier: Helps block moisture vapor for long-lasting floors Low Viscosity: Rolls on easily for smooth, even coverage 100% Solids, Low VOC: Minimal odor and ideal for indoor installations Flake & Metallic Ready: The perfect foundation for decorative epoxy floors Easy 2:1 Mix Ratio: Simple measuring and consistent application Build every floor on a foundation you can trust. Moisture Seal PRO delivers faster installations, stronger adhesion, and professional results that last.