What is the recommended application method for galvanized corrugated roofs?

The recommended application method for Rust Bullet on Galvanized Corrugated Roof projects is an airless spray system with a 517 to 523 tip at approximately 3000 PSI. Multiple coats should be applied to achieve the recommended dft (dry film thickness); each coat of Rust Bullet will add strength and durability, increasing the life of the roof.