ASTM C840-23 is the Standard Specification for the Application and Finishing of Gypsum Board, published in October 2023. This standard outlines the minimum requirements for installing and finishing gypsum board, including related items and accessories. It provides detailed construction methods for various applications, such as single-ply and two-ply gypsum board attachment to wood framing, adhesive applications, and installation on steel framing. The specification also addresses considerations for fire resistance, sound control, ventilation, and surface preparation. By adhering to ASTM C840-23, construction professionals can ensure consistent quality and performance in gypsum board installations across residential and commercial projects.
