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Selection of Coatings over Galvanizing

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Selection of Coatings over GalvanizingSponsored by AZZ Galvanizing and Sherwin-Williams Register Now

Wednesday, July 17, 2013; 11:00 AM - 12:00 PM Eastern
Cost: FREE

Hot-dip galvanizing consists of a layer of zinc applied over a steel substrate to provide corrosion protection to the underlying steel and offers effective long-term corrosion protection for steel in chemically neutral atmospheric service. However, in service environments where rapid depletion of the zinc (galvanized) layer can occur, protective coatings are frequently applied over the galvanized surface to provide a more effective corrosion protection system. Protective coatings are also used to overcoat aging and deteriorating galvanizing to restore corrosion protection to steel no longer fully protected by the sacrificial zinc (galvanized) layer. Overcoating allows a variety of finish colors to be applied to galvanized surfaces for safety, identification and aesthetic purposes. This webinar will explain selection of coatings for use over galvanized steel by following the steps below:

1. Determine the service environment for the coating to be applied
2. Determine the condition of the galvanized steel over which the coating will be applied
3. Select an appropriate coating or coating system based on the service environment and the current condition of the galvanized steel
4. Refer ASTM D6386, Standard for Preparation of Zinc (Hot Dip Galvanized) Coated Iron and Steel Product and Hardware Surfaces for Painting for guidance regarding preparation of galvanized substrates prior to coating application

Downloadable Files:
(right-click and choose 'Save Target As' to download; all downloads are copyright of their author.)

Kevin Irving, Marketing Manager of Northern Operations
AZZ Galvanizing

Kevin Irving is the Marketing Manager of the Northern Operations for AZZ Galvanizing Services. He is a Graduate of Harischfeger Institute in Milwaukee, WI and a Dale Carnegie Graduate. Kevin has spent over 20 years in the Hot Dip Galvanizing Industry, and has over 25 years in operations management. He is a certified presenter of the American Galvanizing Association (AGA) for the GalvanizeIt and Sustainable Development Seminars. Kevin is a Former Board Member for the American Galvanizing Association, and was the Vice President and General Manager for AAA Galvanizing until they were acquired by AZZ Galvanizing Services in April of 2008. He is a Board Member for (CCAI) Chemical Coaters Association International, and Vice Chair of the NACE Committee on Hot Dip Galvanizing TEG 428X. He has been a speaker for the International Bridge Conference for the last four consecutive years, a speaker at SSPC the last two years, a speaker at NACE 2013, a speaker for the 2012 NACE Western Area Conference, and a speaker at the 2013 Southeast Bridge Preservation Partnership TSP.2. Kevin has been a member of NACE since 2008, and a member of SSPC since 2009.


AZZ Galvanizing

AZZ Galvanizing Services, a segment of AZZ incorporated., headquartered in Fort Worth, Texas owns and operates 35 hot dip galvanizing plants strategically located across North America. AZZ operates kettles ranging from 25' to 62' in length. With the company’s network of plants they are able to accommodate the largest projects with customized turnaround time at a competitive price. "GalvXtra," their unique nickel-zinc alloy process, helps meet the highest quality standards that are necessary in the highly competitive after-fabrication steel market.


Sherwin-Williams is a global protective and marine coatings company that delivers smarter asset protection and unmatched service and specification support to its customers from 3,900 locations worldwide. Learn more by visiting

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Tagged categories: Coatings systems; Galvanized/thermal spray coatings

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