How To Paint Zinc Sheet Metal

The secret to painting galvanized steel is white vinegar.

How to paint zinc sheet metal.

If you have a. Rinse exterior metal with. Spray the surface with the solution then scrub it with a clean lint free cloth. On older galvanized metal surfaces where the zinc coating has begun breaking down known as white rust use a wire brush or fine sandpaper to remove the chalky film before cleaning it.

Once the metal has been cleaned and is dry prime it using an exterior multipurpose latex primer or a latex primer that is made specifically for galvanized metal. Introduce your secret weapon. A powerful degreaser will cut through dirt grime mold and other problematic residue without affecting the temperamental zinc coating. Allow the zinc plating to dry for three hours.

Topcoat with two coars of a high quality exterior latex paint. Roll one three by three foot section at a time. Wash the zinc plated metal with a water based degreasing cleanser using steel wool. In your application a flat bastard or mill bastard file will do well.

Wash the galvanized. The goal is to remove any dust dirt or other particulate buildup that could affect the texture of the metal surface. How to paint zinc plated metal step 1. Coat the primed zinc plated metal with acrylic enamel using the roller and a clean shed free cover.

Clean the steel with a chemical degreaser. Proceed in small sections until you ve cleaned the entire surface. A neat file trick is called draw filing this involves holding the long axis of the file perpendicular to the edge and holding the file flat on the edge you want to clean up and then instead of pushing the file forward like you normally do slide it sideways down the whole length of your part and that will produce an excellent flat and smooth edge for you.