What is Bonerized Steel?
Bonderized steel, also referred to as paint grip steel, is galvanized steel that has been put through a phosphate bath and a chromate dry. This process produces the dull grey color characteristic of paint grip galvanized steel which provides an excellent "primer" for painting applications.
What is the Difference Between Galvanized Steel and Bonderized Steel?
Bonderized provides an ideal surface for field painting of wall panels, metal roofing, trim and flashings, gutters, downspouts, and signs. Both materials are bare steel that has a galvanized finish. Bonderized is just an extra coating that is applied on top of a galvanized finish.
Will Bonderized Steel Rust?
Yes, bonderized steel can develop white rust, scratch easily, and have an inconsistent finish without paint. The best time to paint it is immediately after it's installed.