Paints that are made for galvanized surfaces will require less prep work and will adhere better than other kinds of paint.
Painting on copper sheet.
Texturize the surface of the sheet metal.
In 5 minutes i will show you how to make a sample piece plus a beautiful pair of earrings.
There are several ways to clean copper before painting.
If painting light to moderately used indoor metal surfaces think wall sconces bed frames or guest room night tables go with water based acrylic paint a cheaper 15 to 40 per gallon.
Tim spillane explains the many artistic benefits of painting on sheet copper as a surface for his paintings.
As with all metal painting projects proper preparation makes the difference between a quality paint job and how well the newly painted item will stand up to age and weathering especially when the metal is used outdoors.
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.
Keep these layers smooth and thin by rubbing on a small amount of the lead primer with the gloved palm of your hand.
Learn how to use a simple flame to bring amazing color to copper.
If the sheet metal is smooth to the touch you will need to texturize it before painting.
Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting.
Priming is traditional when painting on copper plate.
Analyze the surface of the sheet metal.
To do this apply two coats of very thin lead based oil primer to the surface.
The best way to clean copper before application of organic coatings is the one that works for you.
Do not use alkyd based paints or oil based primer.
These oxides must be removed before painting.
For painted surfaces that are in sound condition remove dust with a clean dry cloth de gloss the surface with light sanding and wipe with mineral spirits to ensure good adhesion.
The cause of paint adhesion failures on copper is due to delamination of the oxide film from the metal.