New AAMA PVC Profile Standards: Key Requirements for Fenestration Material Performance
The American Architectural Manufacturers Association (AAMA) has updated its voluntary specification for rigid polyvinyl chloride (PVC) exterior profiles used in windows, doors, and skylights. The revised AAMA 303 document establishes minimum requirements for dimensional stability, impact resistance, heat resistance, weatherability, weight tolerance, heat buildup, and lead compound content. These updates reflect changes in manufacturing practices, […]
