Prepare your metal surfaces like a pro with Excelsior Alkyd ZP Metal Primer. Its incredible adhesion and anti-corrosive powers will keep rust at bay, providing lasting protection. And it's not just for one use - it's versatile enough to be topped off with different paints. Put your trust in our top-notch formula for your mild steel and galvanized sheeting necessities. Recommended systems: Priming galvanized iron roofs and structural steel to fight corrosion.