ASTM C1047-19 Standard Specification for Accessories for Gypsum Wallboard and Gypsum Veneer Base, 2019

ASTM C1047-19 Standard Specification for Accessories for Gypsum Wallboard and Gypsum Veneer Base, 2019

This specification covers accessories used in conjunction with assemblies of gypsum wallboard and gypsum veneer base to protect edges and corners and to provide architectural features. Steel accessories and steel components of accessories manufactured from steel and paper in combination shall be manufactured from zinc-coated cold-roll sheet steel before application of coating. Phosphatizing or other surface treatments may be used to ensure compatibility and bond. Paper components of accessories