How do I locate an appropriate UL rated fire resistive design, system, or assembly in the UL Fire Resistance Directory?
The UL Fire Resistance Directory is divided into three volumes: • Volume 1 contains results of tests on the basic columns, beams, floor/ceilings, roof/ceilings, and walls. Each construction is identified by an alpha-numeric design number. • Volume 2, which includes Volumes 2A and 2B, contains the results of tests on electrical circuit protective systems, thermal barrier systems, fire rated grease and ventilation duct assemblies, joint systems, perimeter fire containment systems, and firestop systems. Again, each construction is identified by an alpha-numeric system or assembly number. • Volume 3 contains product certifications of dampers, fire doors, fire door frames and glazing materials. Each certification is index under the manufacturer’s name within the appropriate product category.
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