Painting A Rusty Galvanized Metal Roof

Painted metal roofs come with a baked on factory finish and you can re coat these as well as paint bare metal roofing with acrylic latex paint.

Painting a rusty galvanized metal roof.

Paint over the primer with a water based metal roof paint that contains rust inhibitors. Wash the metal roof using trisodium phosphate in water at a ratio of 1 cup tsp per 1 gallon water. Scrape rust from the roof using a wire. If it s quite old and rusty any primer for metal followed by any outdoor paint designed for metal is probably okay although a rust converter affil.

Hand or power tool clean the rusty metal to remove any flaky rust and unsound paint. How to prepare a rusted galvanized metal roof for painting step 1. Wait a full 24 hours for the roof to dry. After you ve sanded away the rust apply 2 coats of a rust inhibiting primer to prevent rust building up underneath the paint.

Then apply 2 coats of a water based enamel acrylic paint to bring out the color. After noxyde is applied. Allow the first coat to dry completely before applying a second coat. Wash the galvanized metal using a pressure washer.

All you have to do is simply apply the vinegar to a clean rag and then wipe down the galvanized surface. Choose a type of paint you may or may not need to prime the surface depending on the type of paint you choose. Water blast clean the prepared surface to remove all remaining dust and contaminants leaving a clean dry surface. The acidity of the vinegar will react with the metal treating the surface to promote paint adhesion.

Access the rusted galvanized metal roof using an extension ladder. You can also use oil based alkyd paint but. A power washer may remove more of the rust for you. Wait for the roof to dry completely before proceeding.

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