ASTM C1047-19 is the Standard Specification for Accessories for Gypsum Wallboard and Gypsum Veneer Base. It outlines the requirements for accessories used in conjunction with assemblies of gypsum wallboard and gypsum veneer base to protect edges and corners and to provide architectural features. These accessories include corner beads, edge trims, and control joints, which may be made from metal, plastic, or combinations thereof. The standard specifies materials, dimensions, and performance criteria to ensure compatibility and durability in building applications. Compliance with ASTM C1047-19 ensures that these accessories meet established quality and performance standards.
