The most up-to-date industry recommendations for the proper installation and finishing of gypsum board, including related accessories, over a variety of substrates and framing. The GA-216 is referenced in the International Building Code as an appropriate standard for the application and installation of gypsum boards and panels. Application of gypsum panel products to outside corners, arches, and curves. Architects and specifiers consult GA-216 to ensure proper handling and storage of wallboard on the jobsite, guide installation of gypsum boards over appropriately spaced and installed wood or steel framing, and determine when and if control joints should be used. Installers rely on the GA-216 to determine appropriate methods of installation. It guides wallboard layout, selection of fastener types, and fastener spacing for many different gypsum panel types. A new detail illustrates and clarifies existing language describing the proper placement of joints around window and door openings.
The GA-216-2018 includes specifications for the application of gypsum panels to flat wall insulating concrete forms (ICFs). This product is popular among residential, multifamily, and commercial builders due to its combination of high thermal mass and insulation, which reduce heating and cooling costs. Gypsum wallboard is the most popular interior finish for these structures and GA-216 provides needed guidance in this growing construction field. Additional clarification of the language on steel studs and AR/IR boards. Additional information on addressing screw spinout. Updated criteria for panels over concrete (direct adhesion is no longer allowed).
GA-216-2018 also addresses: