Rust-Oleum offers three levels of nationally VOC-compliant High Heat Coatings. These performance levels are based on surface exposure. General Purpose High Heat Coatings are designed for surfaces exposed to temperatures up to 400??F. Heavy Duty High Heat Coatings are designed for surfaces exposed to temperatures up to 800??F. High Performance High Heat Coatings offer the highest level of performance for surfaces exposed to temperatures up to 1200??F. Each level of protection is offered in black or aluminum. General Purpose (up to 400??F / 204??C)