About High Heat Brush On Rust-Oleum® Specialty High Heat retains color and finish up to 1200º F. Apply to grills, wood-burning stoves, radiators, engines and other metal items. Provides rust protection and a rich, satin finish. Indoor/outdoor Durable, corrosion-resistant
For Best Results Do not use in areas directly exposed to flames (e.g., inside of grills or fireplaces).