Painting Galvanized Roof Vents

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.

Painting galvanized roof vents.

For plastic pipes a light sanding followed by the appropriate color paint will do the trick. Apply the metal etching primer to the rusted galvanized metal roof using the roller. Tips for painting galvanized metal. 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. Choose a type of paint you may or may not need to prime the surface depending on the type of paint you choose. The best products to use are solvent based. You must remove the zinc wax and oil build up on the galvanized flashing prior to painting or the paint will not adhere properly.

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. Take your rags and apply the solvent based solution to the galvanized flashing wiping evenly without adding too much pressure. Wait three hours for the metal to dry. Head outside to your driveway or garage door open and pop the vent covers in a cardboard box to contain the over spray.

Let dry then add another coat or two until you ve achieved solid coverage. The vinegar will slightly etch the galvanization and will give the. Wipe the galvanized surface down with white vinegar. 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. Link to product info on amazon first just in the rusted areas if the rusted areas are scattered then paint the whole 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. Roll in a vertical motion working backward toward the extension ladder.

Give the spray paint can a good shake then use even strokes to apply the paint. Watch this video to l. The easiest way is to do this is to use a good quality spray paint. Go over the metal with a wire brush to remove any oxidation.