Painting Galvanized Sheet Metal

The galvanization process leaves a.

Painting galvanized sheet metal.

Go over the metal with a wire brush to remove any oxidation. If you have a kitchen then you probably already have this handy solution. For the most dependable results look for paints that are formulated specifically to bond to galvanized steel. 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. The secret to painting galvanized steel is white vinegar. Rinse the metal and let it dry completely for several hours.

Avoid using alkyd based paints such as spray paint on galvanized steel. Rinse the metal with a weak solution of water and ammonia and allow it to dry. Clean new galvanized metal surfaces with a water based cleaner degreaser to remove any oil or and contaminants. White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent.

The first thing he always did was wash the surface of the metal with a mild acid. How to paint galvanized metal. In his first career kevin painted thousands of feet of galvanized gutter. Once the metal has dried dampen a cloth with white vinegar and wipe the surface down.

Remove any handles or other attachments from the metal. The vinegar is a mild acid which acts to etch the galvanized coating so the paint will stick. Here s how to paint galvanized metal. Clean the surface with warm or hot soapy water.

The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling. All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface. Polish the metal with ammonia and sand any rough areas.