Control Joints for Fire-Resistance-Rated Systems – GA-234-2025 (PDF Download)
Control joints in gypsum panel systems shall be installed where indicated on the plans or specifications. Control joints assist in relieving stresses in assemblies that can result in cracks and joint ridging. Gypsum Association and manufacturer recommendations specify minimum requirements for the installation of control joints. Control joints in the gypsum panel systems shall be specified by the architect or designer where any of the conditions listed below exist.