Painting Galvanized Iron Roof

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.

Painting galvanized iron roof.

Galvanized roofs require the use of a different paint than what is used on terne metal. Because of its smooth slick zinc coated finish galvanized steel can be tricky to paint. 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. Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal.

Start by cleaning the. Before you jump right into it it s critical to prep the nonstick surface so it can hold paint. Terne is best painted with an oil based paint. Painting metal roofing provides you with a number of steps and decisions throughout the process.

Galvanized metal roofs are coated with a layer of zinc that inhibits rust. 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. Unfortunately over time this coating can fail leading to minor rust outbreaks. How to paint galvanized steel.

Do not use alkyd based paints or oil based primer. If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it. Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting. However paint on metal roofs often peels or rusts in which case it is time to repaint 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. You ll also need to purchase a primer designed for metal roofs. Go over the metal with a wire brush to remove any oxidation.

Paints that are made for galvanized surfaces will require less prep work and will adhere better than other kinds of paint.