That is not what we like to hear! It looks like the can may have been sputtering, which could be due to an inconsistent mix of solids inside the can. Shaking the can thoroughly prior to, and periodically during use should prevent this from occurring. Please give us a call at 800-481-4785, we want to get to the bottom of this, and try to make things right! - Rust-Oleum Product Support 2