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About This Item

 

Full Description

The purpose of this standard is to improve the performance and installation of firestop systems and their components by examining and qualifying contractors involved in the installation of such systems and components
 

Document History

  1. FM Approvals 4991

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    Approval of Firestop Contractors

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  2. FM Approvals 4991


    Approval of Firestop Contractors

    • Historical Version