As one of the most widely recognized technical publications in the U.S. roofing industry, this four-volume, updated manual gives you comprehensive information about low- and steep-slope roof system design and installation.
The manual includes NRCA's 390-page interim update completed in January 2006 and 56-page interim update completed in November 2003, giving you the most current version. With this manual at your side, you'll be prepared for every roofing project!
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