How To Paint New Galvanized Sheet Metal

The choices of paint for galvanized metal will depend upon both the application and service environment.

How to paint new galvanized sheet metal.

How to prepare zinc coated galvanized sheet metal for painting so that the primer and paint sticks. How to paint galvanized metal. Let the primer dry completely which should take anywhere from 2 6 hours so your paint will stick properly. Go over the metal with a wire brush to remove any oxidation.

Polish the metal with ammonia and sand any rough areas. The painting process is actually very straightforward because the surface of galvanized steel is relatively smooth and consistent. To paint galvanized steel start by applying a latex based primer evenly across the surface to stop the paint from soaking into it. Galvanized steel is a great material to use for a variety of tools products and projects and it s environmentally friendly.

The acid in the vinegar will act to etch the metal and help the paint adhere. In fact roughly 69 of steel is recycled in north america each year. Rinse with water and let completely dry. You can use a dedicated galvanised metal paint or yo.

Galvanized metal is not easy to paint because of the oil based rust preventing coating. When painting galvanized steel all paint systems used should be specifically formulated for use on galvanized steel and applied in accordance with the paint manufacturer s recommendations. When painting galvanised steel you have to be aware that some primers and metal paints are not suitable. Here are directions on painting galvanized metal.

Before painting galvanized metal such as drip strips around eaves or roof flashing take the following steps so the paint will adhere properly and not peel. Once the metal has dried dampen a cloth with white vinegar and wipe the surface down. Alkyd and oil based paints may seem to stick at first but the oily layer eventually sheds the paint. It also has surface contaminants oils greases residues etc left on the surface from the manufacturing process that interfere with the adhesion of paints.

Galvanized metal is difficult to paint because it s coated with a layer of oil to prevent white rust.