How To Paint New Galvanized Sheet Metal

In fact roughly 69 of steel is recycled in north america each year.

How to paint new galvanized sheet metal. Galvanized metal is not easy to paint because of the oil based rust preventing coating. Let the primer dry completely which should take anywhere from 2 6 hours so your paint will stick properly. 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. Galvanized metal is difficult to paint because it s coated with a layer of oil to prevent white rust.

The problem with painting galvanised metal is that the surface when new is very shiny and smooth making it difficult for paint to stick to the surface. Rinse with water and let completely dry. How to prepare zinc coated galvanized sheet metal for painting so that the primer and paint sticks. Alkyd and oil based paints may seem to stick at first but the oily layer eventually sheds the paint.

How to paint galvanized metal. Galvanized steel is a great material to use for a variety of tools products and projects and it s environmentally friendly. Polish the metal with ammonia and sand any rough areas. Go over the metal with a wire brush to remove any oxidation.

To paint galvanized steel start by applying a latex based primer evenly across the surface to stop the paint from soaking into it. It also has surface contaminants oils greases residues etc left on the surface from the manufacturing process that interfere with the adhesion of paints. When painting galvanised steel you have to be aware that some primers and metal paints are not suitable. The choices of paint for galvanized metal will depend upon both the application and service environment.

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. Clean new galvanized metal surfaces with a water based cleaner degreaser to remove any oil or and contaminants. The painting process is actually very straightforward because the surface of galvanized steel is relatively smooth and consistent. Once the metal has dried dampen a cloth with white vinegar and wipe the surface down.

Here are directions on painting galvanized metal.