Painting Galvanized Roof Vents

Tips for painting galvanized metal.

Painting galvanized roof vents.

Head outside to your driveway or garage door open and pop the vent covers in a cardboard box to contain the over spray. Apply the metal etching primer to the rusted galvanized metal roof using the roller. Watch this video to l. But if you re trying to paint galvanized metal you ll need to take a rag saturated in white vinegar and rub the metal down first.

Wipe the galvanized surface down with white vinegar. For plastic pipes a light sanding followed by the appropriate color paint will do the trick. Begin at the far side of the roof. Let dry then add another coat or two until you ve achieved solid coverage.

All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface. Roll in a vertical motion working backward toward the extension ladder. Score the galvanized surface by giving it a vinegar bath. The acidity of the vinegar will react with the metal treating the surface to promote paint adhesion.

Take your rags and apply the solvent based solution to the galvanized flashing wiping evenly without adding too much pressure. You can apply something like ospho affil. Go over the metal with a wire brush to remove any oxidation. The best products to use are solvent based.

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. The vinegar will slightly etch the galvanization and will give the. Choose a type of paint you may or may not need to prime the surface depending on the type of paint you choose. Give the spray paint can a good shake then use even strokes to apply the paint.

Wait three hours for the metal to dry. A paint which will stick well like self etching primer is good and it s necessary if you have real rust. You must remove the zinc wax and oil build up on the galvanized flashing prior to painting or the paint will not adhere properly. Link to product info on amazon first just in the rusted areas if the rusted areas are scattered then paint the whole roof.