
FGIA Updates Performance Rating Method Standard for Mulled Combination Assemblies, More
The Fenestration and Glazing Industry Alliance (FGIA) has updated a mulled assemblies document. AAMA 450-20, Performance Rating Method for Mulled Combination Assemblies, Composite Units, and Other Mulled Fenestration Systems, was last updated in 2010. This FGIA performance rating method describes procedures and requirements for determining the air leakage, water resistance and structural performance of mulled fenestration systems.This method describes test procedures and calculation procedures for determining the performance of mulled fenestration systems. Mulled fenestration systems may be factory assembled or knocked down for field assembly...
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