A vertical pipe penetrates a concrete slab on metal deck requiring a minimum four-and-a-half-inch thickness. The annular space around the penetration is sealed with Hilti FS-One Max firestop sealant installed per UL System C-AJ-8099.
INSTALL PER UL SYSTEM C-AJ-8099 USE HILTI FS-ONE MAX FIRESTOP SEALANT MIN. 4-1/2" B
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