Painting Galvanized Iron Roof

If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it.

Painting galvanized iron roof.

Because of its smooth slick zinc coated finish galvanized steel can be tricky to 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. Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting. You ll also need to purchase a primer designed for metal roofs.

Unfortunately over time this coating can fail leading to minor rust outbreaks. Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal. Paints that are made for galvanized surfaces will require less prep work and will adhere better than other kinds of paint. If crawling around on a metal roof in the hot sun does.

Painting metal roofing provides you with a number of steps and decisions throughout the process. Start by cleaning the. How to paint galvanized steel. 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.

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. Before you jump right into it it s critical to prep the nonstick surface so it can hold paint. Galvanized roofs require the use of a different paint than what is used on terne metal. However paint on metal roofs often peels or rusts in which case it is time to repaint it.

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. Terne is best painted with an oil based paint. 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.

Do not use alkyd based paints or oil based primer.