AAMA 450-20 Performance rating method for mulled combination assemblies, composite units, and other mulled fenestration systems
Publication Year
2020
Document Status
Current
Abstract
Procedures and requirements for determining the air leakage, water resistance and structural performance of mulled fenestration systems.
Publisher Information
American Architectural Manufacturers Association
The American Architectural Manufacturers Association produces performance standards, product certification and educational programs for the fenestration industry.
