Galvanized Metal Roofing Paint

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.

Galvanized metal roofing paint.

Avoid using alkyd based paints such as spray paint on galvanized steel. Galvanized metal roofs are coated with a layer of zinc that inhibits rust. 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. The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling.

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. If you are preparing to paint a rusted galvanized metal roof pay special attention to surface preparation or you will have a recurrence of rust and or flaking. Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal. If crawling around on a metal roof in the hot sun does.

Unfortunately over time this coating can fail leading to minor rust outbreaks. However paint on metal roofs often peels or rusts in which case it is time to repaint it.