If you have a wrought iron bed, fence, railing, patio furniture, home accessory, or other piece that needs a fresh coat of paint or an updated color, here are the steps for how to paint wrought iron. CleanClean your wrought iron to remove any dirt, dust, cobwebs, and other items that you do not want in your paint job. If you are working outside, you can spray down your wrought iron using a garden hose with a sprayer attachment. You might need to wipe down your wrought iron with an old towel…