Galvanized Metal Roofing Paint

For the most dependable results look for paints that are formulated specifically to bond to galvanized steel.

Galvanized metal roofing paint.

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. If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint 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. Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal.

You ll also need to purchase a primer designed for metal roofs. The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling. 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.

Avoid using alkyd based paints such as spray paint on galvanized steel. Unfortunately over time this coating can fail leading to minor rust outbreaks.