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The Fenestration and Glazing Industry Alliance (FGIA) has released an updated document with new test methods for multi-bar hinges in windows: AAMA 904-21, Specification for Multi-Bar Hinges in Window Applications. It was last updated in 2014, according to FGIA.
“This document is one of the few of our organization’s standards that does not reference an ASTM test method. This test method was developed and implemented to address a life safety concern in the field. This test method has been in use for over 20 years and is a shining example of how FGIA members volunteered their time and expertise to contribute holistically to the entire industry,” said Chris Griffin of Roto Frank of America and co-chair of the Multi-Bar Hinges in Windows Task Group.
This specification is intended for determining methods of test for multi-bar hinges in windows that are designed for durability, functionality and maintain performance. The specification and these test methods have now been updated to reflect the current needs of the marketplace with respect to the advancement of technology, along with decades of experience and test data from a variety of materials and designs. According to FGIA, enhancement of performance and misuse loads helps to define the increase in performance for multi-bar hinges.
