Wrought iron railing looks great when it isn’t rusting…which it usually is. Ornamental iron is made of hot-rolled steel which will start rusting immediately if not properly protected. Even the smallest nick or bad scratch in regular paint will start the rusting process. After that, it’s just a matter of time before it spreads. Powder coating is the best way to preserve and protect any wrought iron piece from the elements. With thousands of colors to choose from, you can have it coated to match an existing house color or other yard decorations.