How Do You Paint A Galvanized Metal Roof

Link to product info on amazon first just in the rusted areas if the rusted areas are scattered then paint the whole roof.
How do you paint a galvanized metal roof. 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. You can still add a coat of paint to your galvanized metal surface as long as you have a few important household tools and you follow these simple steps. Painted metal roofs come with a baked on factory finish and you can re coat these as well. Apply the metal etching primer to the rusted galvanized metal roof using the roller.
Wait three hours for the metal to dry. You can apply something like ospho affil. A paint which will stick well like self etching primer is good and it s necessary if you have real rust. Prime the surface with a primer made for metal.
Find either oil based or acrylic based paint at your local home improvement store. Clean the surface the goal is to remove any dust dirt or other particulate buildup that could affect the texture of. Wait until the solution dries then rinse it off the roof with water. How to paint a galvanized metal roof with sherwin williams roof preparation.
Type of paint to use. To ensure that you know what kind of metal your roof is made out of and what kind of paint you should use ask a professional roofer to inspect your home. 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 metal roofs for an added layer of protection. Galvanized metal roofs are usually painted with acrylic based paint.
Roll in a vertical motion working backward toward the extension ladder. The vinegar is a mild acid which acts to etch the galvanized coating so the paint will stick. Use your sponge or paint roller to apply this solution to your metal roof. Begin at the far side of the roof.
For a new and unpainted roof allow it to weather for six months before painting it. Go over the metal with a wire brush to remove any oxidation. Apply the galvanized metal primer to your roof with the paint roller. Wipe the galvanized surface down with white vinegar.