The Fenestration and Glazing Industry Alliance (FGIA) has released an updated specification establishing the minimum requirements for fiber reinforced thermoset exterior profiles used in fenestration products. AAMA 305-22, Voluntary Specification for Fiber Reinforced Thermoset Profiles, an FGIA document, is now available for purchase. This 12-section document was last updated in 2018.
AAMA 305 assists architects, contractors, manufacturers, designers, and owners in specifying these profiles for interior and exterior use in fenestration products, which may have to provide and maintain a standard level of weathering performance over a period of many years. This specification applies to profiles including main-frame, sash, and all structural components related to glass retention and/or structurally divided lites.
In this edition, references to FGIA documents were updated and one section on adhesive bond performance was removed. In 2018, updates were made to AAMA 305 introducing two different performance levels. The established Level I performance is adequate for most fenestration applications. However, for applications that require higher flexural strength and stiffness, an optional Level II has been established, with loading parameters up to seven times those of Level I.