How To Paint A Galvanized Metal Roof

One of my neighbors used an oil based paint as a primer since some of the metal was rusted and then covered the roof with one of the specially formulated roofing paints that is sold by calbar for use on old.

How to paint a galvanized metal roof.

Galvanized metal roofs are coated with a layer of zinc that inhibits rust. For the most dependable results look for paints that are formulated specifically to bond to galvanized steel. However paint on metal roofs often peels or rusts in which case it is time to repaint it. Galvanized roofs require the use of a different paint than what is used on terne metal.

If crawling around on a metal roof in the hot sun does. If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it. Avoid using alkyd based paints such as spray paint on galvanized steel. You ll also need to purchase a primer designed for metal roofs.

Many metal roofs are made out of galvanized metal which is a type of metal that has been covered with hot zinc in order to protect it from the weather. 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. To paint a metal roof you ll need to use an oil based paint if you have a terne metal roof or an acrylic based paint if you have a galvanized metal roof. Terne is best painted with an oil based paint.

Go over the metal with a wire brush to remove any oxidation. 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. Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal.