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Paint Problems


Peeling: Galvanized Metal


Galvanized metal peeling: An adhesion loss of the paint due to inadequate surface preparation.

Peeling probable causes: Usually no or improper priming. Improper surface prep or choice of paint. Not removing rust, oil or other matter. Not deglossing baked enamel finishes. Painting too soon after cleaning galvanized surface. Galvanized metal is very alkaline until weathered.

Galvanized metal solutions: Remove all rust, loose paint and other particles. All dust must be rinsed or wiped away. Allow galvanized metal to weather prior to coating. Apply an acrylic corrosion-resistant primer. New galvanized metal must be primed with an acrylic corrosion-resistant primer if the finish coat is oil based or vinyl latex.

Primers & exterior finishes: Bare or new galvanized metal needs aggressive cleaning with mineral spirits prior to using a galvanized primer. Select a top quality exterior paint in the color and sheen of your choice.