That's not what we expect to hear! Lighter coats a few minutes apart will provide for a better finish verses 1 heavy coat. In ideal conditions, Rust-Oleum Universal Spray Paint and Primer in One reaches full adhesion and durability after 7 days. Heavier coats, cooler temperatures, or higher humidity can extend the cure time. We recommend avoiding scratching or abrading the surface before this point.
- Rust-Oleum Product Support 3