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Hilti Firestop Systems Sheet Drawing No. HILTI, Inc. Date Scale Saving Lives through Innovation and Education WL TOTT~ 1 of 2 5/64" = 1" Aug. 16, 2018 UL/cUL SYSTEM NO. W-L-7277 F-RATING = 1-HR. OR 2-HR. T-RATING = 1-HR. OR 2-HR. tiTOTT~KMUNSNU METALLIC BOX THROUGH GYPSUM WALL ASSEMBLY A A SECTION A-A FRONT VIEW Plano, Texas USA (800) 879-8000 DETAIL 1 2 4 5 6 6 5 3 3