Zep Stain Resistant Floor Sealer creates a durable base layer that helps block stains and protects interior floors before polishing. Designed for vinyl composition tile (VCT), rubber, and unfinished concrete, this ready-to-use sealer helps prevent stains from reaching the floor surface and improves the look and longevity of your final floor finish. Ideal for high-traffic areas, it applies smoothly with no dilution required.