Painting Old Galvanized Roof

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.

Painting old galvanized roof.

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

However paint on metal roofs often peels or rusts in which case it is time to repaint it. 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. Painting metal roofing provides you with a number of steps and decisions throughout the process. This roof is too huge to wash with household vinegar or tsp or even light sandblasting would take.

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. I do understand that cheap paint sometimes costs more in the long run any advice. If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it. If crawling around on a metal roof in the hot sun does.

Here s how to make sure you make the right calls while addin.