Painting Galvanized Sheet Metal

Here s how to paint galvanized metal.

Painting galvanized sheet metal.

For the most dependable results look for paints that are formulated specifically to bond to galvanized steel. The vinegar is a mild acid which acts to etch the galvanized coating so the paint will stick. Polish the metal with ammonia and sand any rough areas. Rinse the metal with a weak solution of water and ammonia and allow it to dry.

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. The acid in the vinegar will act to etch the metal and help the paint adhere.

If you have a kitchen then you probably already have this handy solution. Prime the surface with a primer made for metal. Rinse the metal and let it dry completely for several hours. Clean new galvanized metal surfaces with a water based cleaner degreaser to remove any oil or and contaminants.

Rinse with water and let completely dry. All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface. Wipe the galvanized surface down with white vinegar. How to paint galvanized metal.

The first thing he always did was wash the surface of the metal with a mild acid. The galvanization process leaves a. 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.

Clean the surface with warm or hot soapy water. White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent. Once the metal has dried dampen a cloth with white vinegar and wipe the surface down.