The first thing he always did was wash the surface of the metal with a mild acid.
Painting galvanized sheet metal.
Go over the metal with a wire brush to remove any oxidation.
Wash the metal thoroughly with hot soapy water.
How to paint galvanized metal.
In his first career kevin painted thousands of feet of galvanized gutter.
Prime the surface with a primer made for metal.
Polish the metal with ammonia and sand any rough areas.
Clean new galvanized metal surfaces with a water based cleaner degreaser to remove any oil or and contaminants.
The secret to painting galvanized steel is white vinegar.
If you have a kitchen then you probably already have this handy solution.
Rinse the metal with a weak solution of water and ammonia and allow it to dry.
Rinse with water and let completely dry.
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.
Once the metal has dried dampen a cloth with white vinegar and wipe the surface down.
Wipe the galvanized surface down with white vinegar.
The galvanization process leaves a.
Rinse the metal and let it dry completely for several hours.
White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent.
Here s how to paint galvanized metal.
For the most dependable results look for paints that are formulated specifically to bond to galvanized steel.
If galvanized metal is not prepared and painted properly it will tend to peel over time.
All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface.
The vinegar is a mild acid which acts to etch the galvanized coating so the paint will stick.