Painting Galvanized Iron Roof

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

Painting galvanized iron roof.

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. Before you jump right into it it s critical to prep the nonstick surface so it can hold paint. However paint on metal roofs often peels or rusts in which case it is time to repaint it. How to paint galvanized steel.

Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal. Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting. Here s how to make sure you make the right calls while addin. Go over the metal with a wire brush to remove any oxidation.

Do not use alkyd based paints or oil based primer. 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. 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. You ll also need to purchase a primer designed for metal roofs.

Start by cleaning the. Unfortunately over time this coating can fail leading to minor rust outbreaks. Because of its smooth slick zinc coated finish galvanized steel can be tricky to 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.

Terne is best painted with an oil based paint. Painting metal roofing provides you with a number of steps and decisions throughout the process. Paints that are made for galvanized surfaces will require less prep work and will adhere better than other kinds of paint. 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.

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