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UL Systems
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How do I locate a UL Classified System for my application? |
Is a UL Classified System considered an approved system? |
How do I know if a firestop system is UL Classifed? |
This expert advice section has been developed with the help of designers, installers, inspectors and firestop manufacturers. It is a compilation of frequently asked questions on firestop technology, code compliance, UL system information and installation recommendations. We welcome your questions and/or suggestions for additional content.



This category provides advice on how to find a UL Classified firestop system for a specific application, how to easily identify UL Classified Systems and what a UL Classified System means to the integrity of the job.