Painting Galvanized Sheet Metal

The secret to painting galvanized steel is white vinegar.

Painting galvanized sheet metal.

How to paint galvanized metal. Go over the metal with a wire brush to remove any oxidation. Wash the metal thoroughly with hot soapy water. For the most dependable results look for paints that are formulated specifically to bond to galvanized steel.

The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling. Clean new galvanized metal surfaces with a water based cleaner degreaser to remove any oil or and contaminants. Wipe the galvanized surface down with white vinegar. The galvanization process leaves a.

The first thing he always did was wash the surface of the metal with a mild acid. Here s how to paint galvanized metal. If galvanized metal is not prepared and painted properly it will tend to peel over time. In his first career kevin painted thousands of feet of galvanized gutter.

Polish the metal with ammonia and sand any rough areas. The vinegar is a mild acid which acts to etch the galvanized coating so the paint will stick. Avoid using alkyd based paints such as spray paint on galvanized steel. If you have a kitchen then you probably already have this handy solution.

White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent. Rinse the metal with a weak solution of water and ammonia and allow it to dry. Prime the surface with a primer made for metal. The acid in the vinegar will act to etch the metal and help the paint adhere.

Rinse with water and let completely dry. Rinse the metal and let it dry completely for several hours. All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface.