Name: Division B: Part 9: Housing and Small Buildings
Author: Guides Team

9.3.3. Metal

9.3.3.	Metal
9.3.3.1.	Sheet Metal Thickness Minimum thicknesses for sheet metal material that are stated in this Part refer to the actual minimum base metal thicknesses measured at any point of the material and, in the case of galvanized steel described in Sentence 9.3.3.2.(1), include the thickness of the galvanizing coating unless otherwise indicated.
9.3.3.2.	Galvanized Sheet Steel Where sheet steel is required to be galvanized, it shall be metallic-coated with zinc or an alloy of 55% aluminum-zinc meeting the requirements of ASTM A 653/A 653M, "Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process," or ASTM A 792/A 792M, "Steel Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-Dip Process." Where galvanized sheet steel is intended for use in locations exposed to the weather or as a flashing material, it shall have a zinc coating not less than the G90 [Z275] coating designation or an aluminum-zinc alloy coating not less than the AZM150 coating designation, as referred to in Sentence (1).