Galvanized Metal Roofing 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.

Galvanized metal roofing paint.

This roof is too huge to wash with household vinegar or tsp or even light sandblasting would take forever 1978 section a softer smoother type of metal roofing in sheets which are 100 and rust free doesn t need paint at all but needs to match the older roof which really needs paint. Galvanized metal roofs are coated with a layer of zinc that inhibits rust. If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it. 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.

Go over the metal with a wire brush to remove any oxidation. Unfortunately over time this coating can fail leading to minor rust outbreaks. 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. Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal.

Do not use alkyd based paints or oil based primer. Get free shipping on qualified galvanized metal or buy online pick up in store today in the paint department. Some people use acrylic latex paint which is not designed specifically for galvanized metal so you will want to prime the surface before painting. The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling.

You ll also need to purchase a primer designed for metal roofs. For the most dependable results look for paints that are formulated specifically to bond to galvanized steel. 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. Avoid using alkyd based paints such as spray paint on galvanized steel.

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.