About The Zinc-Aluminum Coaters Association

The Zinc-Aluminum Coaters Association (ZAC) is a trade association comprised of licensed producers of 55% Al-Zn coated steel. The steel is marketed worldwide under a variety of trademarked names, including Galvalume, Aluzinc, Z-Nal, Zintro-Alum and Galval. For more information, visit www.steelroofing.com.