Painting Galvanized Steel Siding

This information is essential to know even if you have pre finished metal siding.

Painting galvanized steel siding.

Before painting galvanized metal such as drip strips around eaves or roof flashing take the following steps so the paint will adhere properly and not peel. Galvanized metal is difficult to paint because it s coated with a layer of oil to prevent white rust. For the most dependable results look for paints that are formulated specifically to bond to galvanized steel. The secret to painting galvanized steel is white vinegar.

If possible bring a sample to a professional. Then put the paint of your desired color in the rolling pan and cover your paint roller with the paint. Galvanized steel is less prone to rust since it has a special zinc coating which needs to be thoroughly cleaned and roughened so that the primer paint will adhere to it properly. All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface.

The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling. Many paint manufacturers offer multi purpose enamel or a direct to metal paint. You have to know how to paint steel siding the best paint to use and how to prepare it for the paint. Use the ladder for painting the steel siding on the top and using the roller paint in a horizontal direction.

Determine if the siding has been previously painted and what kind of paint has been used. Wipe the galvanized surface down with white vinegar. Go over the metal with a wire brush to remove any oxidation. Paint coatings by sherwin williams.

Galvanized steel should not be painted with oil based paint. Alkyd and oil based paints may seem to stick at first but the oily layer eventually sheds the paint. If the paint job is carried out correctly with all of the necessary preparations it should last many years without any noticeable corrosion. If you have a kitchen then you probably already have this handy solution.

When you are painting steel siding there are a lot of facts you need to keep in mind. White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent. 4 brush on the first coat of paint. Step 4 retouch.