An artist is always in search of new and inspiring methods and mediums and painting on metal may be the start of a new journey.
Oil painting on metal sheet.
After removing loose paint first apply an orbital sander using 60 grit sandpaper working up to 100 grit sandpaper for a smooth finish.
Create a rough surface on the sheet metal.
Texturize the surface of the sheet metal.
Once the metal has dried dampen a cloth with white vinegar and wipe the surface down.
If the sheet metal is smooth to the touch you will need to texturize it before painting.
This will allow the paint to adhere to the metal.
It can be decorative painting on household objects or artistic endeavors on found objects from a junkyard or garage.
Clean new galvanized metal surfaces with a water based cleaner degreaser to remove any oil or and contaminants.
Oil based paints are the most durable.
For best practice to prepare an aluminum sheet for painting three steps are required that will provide the most assurance that both the paint will remain attached and the metal will be less prone to continue to form disturbing oxidative products on the painting.
A metal sculptor may wish to embellish his piece with paint.
Opt for oil based paint if painting outdoor metal surfaces such as fences patio furniture or backyard grills as well as heavily used indoor items like.
Painting on metal can take many paths.
Analyze the surface of the sheet metal.