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Certifications in effect as of January 3, 2012
See Volume 2A and 2B for Hourly Ratings for Joint Systems, Through-Penetration Frestop Systems and Electrical Circuit Protective Systems and Duct Assemblies
See Volume 3 for Hourly Ratings for Dampers, Fire Doors, Glazing Materials and Related Equipment
Please read information contained in paragraph 2 on page v and the number system table for fire rated assemblies on page 1 in Volume 1
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