Painting Galvanized Sheet Metal

The galvanization process leaves a.

Painting galvanized sheet metal.

White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent. If galvanized metal is not prepared and painted properly it will tend to peel over time. The vinegar is a mild acid which acts to etch the galvanized coating so the paint will stick. The secret to painting galvanized steel is white vinegar.

Clean the surface with warm or hot soapy water. All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface. Remove any handles or other attachments from the metal. Prime the surface with a primer made for metal.

Here s how to paint galvanized metal. Wash the metal thoroughly with 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. 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. The acid in the vinegar will act to etch the metal and help the paint adhere. Rinse the metal and let it dry completely for several hours. How to paint galvanized metal.

Wipe the galvanized surface down with white vinegar. The first thing he always did was wash the surface of the metal with a mild acid. In his first career kevin painted thousands of feet of galvanized gutter. Polish the metal with ammonia and sand any rough areas.

For the most dependable results look for paints that are formulated specifically to bond to galvanized steel. If you have a kitchen then you probably already have this handy solution. Rinse with water and let completely dry.