Painted Glavanized Steel Metal Roofing

The painting process is actually very straightforward because the surface of galvanized steel is relatively smooth and consistent.

Painted glavanized steel metal roofing.

My house was built circa 1880 and still has its original terne metal roof which consists of individual metal shingles with an embossed decorative pattern. Galvanized metal requires either a zinc dust type paint or a latex paint. If you re not sure what kind of roof you have ask a professional roofer to inspect it before you paint it. However paint on metal roofs often peels or rusts in which case it is time to repaint it.

Aluminum has tremendous corrosion resistance so it will generally corrode more slowly than galvanized steel. Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal. Go over the metal with a wire brush to remove any oxidation. For the most dependable results look for paints that are formulated specifically to bond to galvanized steel.

Avoid using alkyd based paints such as spray paint on galvanized steel. Galvanized steel is a great material to use for a variety of tools products and projects and it s environmentally friendly. 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. Corrosion is the death of metal roofing as we all know.

How to paint galvanized steel roofing panels. The enamels in alkyd paints can react with the slick zinc finish on a galvanized steel surface leading to poor adhesion and peeling. The one exception is when the coating is penetrated scratched or chipped by falling or blowing debris for example. Some people will leave a galvanized metal roof as is whereas others prefer to 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. Galvanized steel is often used as roofing panels because it is so highly durable and resistant to water damage. 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. In fact roughly 69 of steel is recycled in north america each year.

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. You ll also need to purchase a primer designed for metal roofs. Galvalume and galvanized steel roofing are affected differently by corrosion. Galvanized steel on the other hand cannot be painted with an oil based or aluminum based paint.