Metallic Corten Effect | Protek Paint
3 Corten Steel Finishes. Corten. Corten Acid-Etched Cast Iron. Corten Acid-Etched Oxide. Categories: Metallic Coatings, Metallic Effects, Millwork Paints & Stains, Professional Metallic Products. Description. Corten is a contemporary style featuring an uneven surface to enhance light and dark gradients to create a natural Corten steel look.