The Fenestration and Glazing Industry Alliance (FGIA) has released an updated version of a document with new test methods for multi-bar hinges in windows. These specifications and methods of test cover procedures, materials and performance criteria for determining the durability of multi-bar hinges used for opening and closing casement, projected, and parallel opening windows. AAMA 904-21, Specification for Multi-Bar Hinges in Window Applications, an FGIA document, is now available for purchase. It was last updated in 2014. (Image by Orchard Photography, courtesy of Technoform and Wausau Window and Wall Systems)

The Fenestration and Glazing Industry Alliance (FGIA) has released a new technical manual providing generic design considerations for cavity compensation for insulating glass (IG) units and determining conditions which impact the pressure in the IG unit cavity. IGMA TM 3200-21, Design Considerations for IG Unit Cavity Pressure Compensation, is FGIA’s newest technical manual.“The TM-3200 document is helpful for anyone who is interested in or involved with the installation of IGUs at an elevation that differs from the elevation at which they were built,” said Dan...