Roll one three by three foot section at a time.
How to paint zinc sheet metal.
Wash the galvanized.
Clean the steel with a chemical degreaser.
Proceed in small sections until you ve cleaned the entire surface.
The secret to painting galvanized steel is white vinegar.
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.
In your application a flat bastard or mill bastard file will do well.
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.
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.
Coat the primed zinc plated metal with acrylic enamel using the roller and a clean shed free cover.
How to paint galvanized steel in 4 easy steps.
Spray the surface with the solution then scrub it with a clean lint free cloth.
Wash the galvanised metal etching primer from the brush using plain tap water.
A powerful degreaser will cut through dirt grime mold and other problematic residue without affecting the temperamental zinc coating.
Coat the zinc plated metal with galvanized metal etching primer using a roller and a shed free roller cover.
Introduce your secret weapon.
Wash the zinc plated metal with a water based degreasing cleanser using steel wool.
If you have a.
How to paint zinc plated metal step 1.
Allow the zinc plating to dry for three hours.