Transcription of Differences in Design Pressure and Performance Grade
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Door& to Some BasicsDifferences in Design Pressure and Performance GradeB Y K E N B R E N D E NFenestration products areundeniably becoming morecomplex as performanceexpectations diversify and same is true of the standardsthat guide those who Design andspecify these products. The lynch-pin of these standards is theAAMA/WDMA/CSA 101 , The North AmericanFenestration Standard/Specification[NAFS] for Windows, Doors andSkylights, the latest version ofwhich is 2008 although the 2011version is waiting in the wings foradoption into the 2012 is apparent widespreadmisuse of certain NAFS perform-ance terms within the industry,especially Design Pressure per-formance class and performancegrade. At times, marketplace con-fusion has led to specifying thewrong product for a given build-ing application.
d o o r & W I N D O W m a N F a C R E R 18 www.dwmmag.com AAMA ANALYSIS Back to Some Basics Differences in Design Pressure and Performance Grade BY KEN BRENDEN F …
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In High-Rise Design, High Rise, Design in High‐Rise Construction, DeltaPValve System Design Manual, DeltaPValve® System Design Manual, CHAPTER IX. Design-SWITCHYARD, Seminar 800 Topic 7 - Control Loop Design, Design, The Rise of the Middle Class, World Bank, Osterberg Cell Load Testing of High- Capacity, High, Rotary screw pumps