Painting Galvanized Steel Siding

The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling.

Painting galvanized steel siding.

You have to know how to paint steel siding the best paint to use and how to prepare it for the paint. Go over the metal with a wire brush to remove any oxidation. If you have a kitchen then you probably already have this handy solution. 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.

Use the ladder for painting the steel siding on the top and using the roller paint in a horizontal direction. If possible bring a sample to a professional. If the paint job is carried out correctly with all of the necessary preparations it should last many years without any noticeable corrosion. Alkyd and oil based paints may seem to stick at first but the oily layer eventually sheds the paint.

Many paint manufacturers offer multi purpose enamel or a direct to metal paint. Click the link below and get directions to your closest sherwin williams store. 4 brush on the first coat of paint. Galvanized metal is difficult to paint because it s coated with a layer of oil to prevent white rust.

Repeat the procedure until you cover all the steel siding. Galvanized steel should not be painted with oil based paint. 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. Determine if the siding has been previously painted and what kind of paint has been used.

Wipe the galvanized surface down with white vinegar. Paint coatings by sherwin williams. The secret to painting galvanized steel is white vinegar. White vinegar is both effective and non toxic so it is much safer to use than your average industrial solvent.

When you are painting steel siding there are a lot of facts you need to keep in mind. Painting a galvanized steel panel roof is not all that different from painting other metal objects but you must ensure that the surface is perfectly clean before beginning the application process. This information is essential to know even if you have pre finished metal siding. Step 4 retouch.