Galvanized Metal Roofing Paint

You ll also need to purchase a primer designed for metal roofs.

Galvanized metal roofing paint.

The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling. 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. Unfortunately over time this coating can fail leading to minor rust outbreaks.

If crawling around on a metal roof in the hot sun does. 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. Avoid using alkyd based paints such as spray paint on galvanized steel. However paint on metal roofs often peels or rusts in which case it is time to repaint it.

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. Galvanized metal roofs are coated with a layer of zinc that inhibits rust.