Fire Protection · G-QJZZX

Fs-8: Firestop System For Mechanical

Materials

Elements

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This firestop assembly details the penetration of a steel air duct through a wall assembly. The penetration is sealed using a firestop system comprising a wrap strip and caulk or sealant fill, void, or cavity materials bearing the UL classification mark. The steel air duct is wrapped with duct insulation and passes through the rated wall assembly with specific wrap strip and sealant placements.

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