Duct Firestop At Penetrations | TinnerFlow

Field problem

Stop and ask

Stop. Get direction before you touch it.

Duct Firestop At Penetrations

Wrong/missing firestop, wrong system, scope confusion

Fire/Smoke Dampers & Rated Assemblies 4th Year RED

Stop if

What listed firestop system applies at this penetration?

Watch out

Improvise a firestop system

Check

The listed firestop system and whose scope it is

Steps

The listed firestop system and whose scope it is

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