Painting Galvanised Steel Sheet

Clean new galvanized metal surfaces with a water based cleaner degreaser to remove any oil or and contaminants.

Painting galvanised steel sheet.

When painting galvanised steel you have to be aware that some primers and metal paints are not suitable. Clean the surface the goal is to remove any dust dirt or other particulate buildup that could affect the texture of. For the most dependable results look for paints that are formulated specifically to bond to galvanized steel. Avoid using alkyd based paints such as spray paint on galvanized steel.

You can use a dedicated galvanised metal paint or you can use a suitable primer. Despite the fact that this preparation process has been available for some. Once the metal has dried dampen a cloth with white vinegar and wipe the surface down. The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling.

Etch primers have also been used successfully. Use a water based degreaser to wash off the surface oil and passivator layer. Process for painting galvanized steel clean. Their major disadvantage is the absence of any visible.

Metal primer is. You can still add a coat of paint to your galvanized metal surface as long as you have a few important household tools and you follow these simple steps. You just cleaned off the oil layer but you should still sand the galvanized surface so the paint adheres well. The acid in the vinegar will act to etch the metal and help the paint adhere.