New AAMA specs apply to wind ratings

AAMA 520-09, “Voluntary Specification for Rating the Severe Wind-Driven Rain Resistance of Windows, Doors and Unit Skylights,” is a new publication by the American Architectural Manufacturers Association (AAMA). It provides an optional rating of the ability of fenestration products to resist severe wind-driven rain.

This voluntary specification is based on a rapidly pulsed pressure differential method, recognizing that conditions encountered during tropical storms, hurricanes or severe thunder storms are not static.

The publication is available to AAMA members for $15 (download), $30 (paper copy) and $35 (CD). Non-members may purchase the document for $37.50 (download), $75 (paper copy) and $80 (CD).

To order, visit, call 847-303-5664; or write the American Architectural Manufacturers Association, 1827 Walden Office Square, Suite 550, Schaumburg, IL 60173.

More information about AAMA and its activities can be found at

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