UL System No. C-AJ-5041 is a firestop assembly rated for two hours F-rating and one to two hours T-ratings dated December 2, 2004. The assembly accommodates penetrations through concrete floor or wall assemblies utilizing listed fill, void, or cavity materials. Numbered component callouts indicate the specific layers and sealants required to maintain fire-resistance ratings.
A A DECEMBER 2, 2004 F RATING - 2 HR T RATINGS - 1 AND 2 HR 2 3 6 2 6 1 5 3 UL SYSTEM NO. C-AJ-5041 (3M COMPANY)
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