Tag Archives: galvanized steel

The 9 Lives of Galvanized Steel, Part II

By Linc York and Kendall Smith, Induron Sales Reps

The previous blog post, The 9 Lives of Galvanized Steel, Part I, describes the stages or conditions of galvanized metal as it ages or weathers. The pure zinc layer on the surface first reacts with oxygen to form zinc oxide, then that oxide layer reacts with moisture in the environment to form zinc hydroxide. Finally, zinc hydroxide reacts with carbon dioxide in the atmosphere to yield a thin, quite insoluble dull grey layer of zinc carbonate. Continue reading The 9 Lives of Galvanized Steel, Part II

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The 9 Lives of Galvanized Steel, Part I

By Kendall Smith

Galvanized steel can be very tricky to paint! Just look at any stop light at any intersection or any galvanized gutter with paint peeling. Properly assessing the condition of galvanizing, properly specifying the cleaning/surface preparation and using the proper coating or paint CAN be difficult! You need to assess the condition of the galvanizing accurately, which most people never accomplish, partly because there are no readily available visual guides to show “before and after” photographs of new and weathered galvanizing. The first step is to define the stages of Hot Dipped Galvanized steel’s (HDG) life. Continue reading The 9 Lives of Galvanized Steel, Part I

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