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WDMA I.S. 11-18 Analytical Method for Design Pressure Rating of Fenestration

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WDMA I.S.11-18 Analytical Method for Design Pressure Rating of Fenestration Products describes analytical methods for obtaining design pressure ("DP") ratings of fenestration products of sizes other than that of a tested specimen or specimens. For purposes of compliance with this document, DP ratings shall be permitted in increments of no less than one psf.

Once purchased, you will receive an electronic version of the document. The document will be sent as a PDF, with an Excel attachment embedded. 

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