FGIA Updates Mulled Assemblies Document
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…
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…