Painting Galvanised Steel Sheet

Despite the fact that this preparation process has been available for some.

Painting galvanised steel sheet.

You ll find many brands of. T wash or its proprietary equivalent. Etch primers have also been used successfully. Avoid using alkyd based paints such as spray paint on galvanized steel.

When painting galvanised steel you have to be aware that some primers and metal paints are not suitable. 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. Once the metal has dried dampen a cloth with white vinegar and wipe the surface down. For the most dependable results look for paints that are formulated specifically to bond to galvanized steel.

Metal primer is. The acid in the vinegar will act to etch the metal and help the paint adhere. How to prepare galvanized steel for painting 1. You just cleaned off the oil layer but you should still sand the galvanized surface so the paint adheres well.

Clean new galvanized metal surfaces with a water based cleaner degreaser to remove any oil or and contaminants. The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling. Clean the surface the goal is to remove any dust dirt or other particulate buildup that could affect the texture of. Use a water based degreaser to wash off the surface oil and passivator layer.