Cast iron, however, is generally more cost efficient and less labor intensive than wrought iron because it doesn’t need to be worked by hand. Since the iron is shaped by pouring it into molds, cast iron is often used to create very intricate designs or to recreate historical or period-specific patterns very precisely.

Differences Between Ornamental Iron and Wrought Iron

Once you’ve removed the dirt from your fence, use a stiff wire brush to get rid of any loose paint or rust spots. If that doesn’t do the trick, use some fine sandpaper to remove any remaining rust.
Make sure your fence is completely dry after this step; whether you want to leave it to air dry in the sun or thoroughly dry it with a towel.