A through-penetration firestop system designated as System No. C-AJ-1259 features a three-hour F-rating and zero-hour T-rating. A penetrating pipe passes vertically through a concrete floor slab assembly. The firestop material fills the annular space around the pipe within the floor penetration.
A A Section A-A 2 3 3 2 1 System No. C-AJ-1259 F-Rating - 3 Hr T-Rating - 0 Hr Guide XHEZ Through-Penetration Firestop Systems March 09, 1999 C-AJ-1259 - A Card (Cont'd on C-AJ-1259 - B Card)
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