Painting Galvanized Sheet Metal

How to paint galvanized metal.

Painting galvanized sheet metal. Here s how to paint galvanized metal. The galvanization process leaves a. The secret to painting galvanized steel is white vinegar. Wipe the galvanized surface down with white vinegar.

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. Rinse the metal and let it dry completely for several hours. 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. Rinse the metal with a weak solution of water and ammonia and allow it to dry. In his first career kevin painted thousands of feet of galvanized gutter. Avoid using alkyd based paints such as spray paint on galvanized steel.

The first thing he always did was wash the surface of the metal with a mild acid. If galvanized metal is not prepared and painted properly it will tend to peel over time. White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent. 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. Remove any handles or other attachments from the metal. Rinse with water and let completely dry. Prime the surface with a primer made for metal.

Clean new galvanized metal surfaces with a water based cleaner degreaser to remove any oil or and contaminants. Once the metal has dried dampen a cloth with white vinegar and wipe the surface down. Go over the metal with a wire brush to remove any oxidation.