How To Paint Galvanized Steel Roof

Wash the galvanized metal using a pressure washer.

How to paint galvanized steel roof.

Apply a coat of paint to the entire roof. Wait a full 24 hours for the roof to dry. Use your sponge or paint roller to apply this solution to your metal roof. Identify rusty areas or flaking paint.

Sweep off the roof using a broom to remove all pine straw leaves and surface dirt. The acid in the vinegar will gently etch the slick zinc coated finish giving it a rougher texture that will allow paint to stick better. How to paint galvanized steel roofing panels 1. Wait until the solution dries then rinse it off the roof with water.

Wash the brush or roller you used for the primer or get a new one. Go over the galvanized steel thoroughly applying more mineral spirits as needed. Scrape rust from the roof using a wire brush. Apply the galvanized metal primer to your roof with the paint roller.

Wait until a day when no rain is expected and the temperature is cool. Again work from your ladder as much as possible. Access the rusted galvanized metal roof using an extension ladder. Place a ladder next to the structure and climb.

This will get rid of any mildew or algae. Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal. How to prepare a rusted galvanized metal roof for painting.