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This is a big issue here in the Dakotas and a major pain in the ass. We are allowed to only use fair caulk not foam here. We have to put this around any pipes that go through a floor that is fire rated. Almost everything..


Anyone else hate these silly codes?
 

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If you are putting a fire rated pipe, through a fire rated wall, it makes sense to use Fire rated caulking for (around) the penetration in my opinion. Unless the foam you are using is fire rated?
 

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It makes perfect sense to me to use it on fire rated walls/floors. We have to use it to glue PVC together for power vents. That one I don't understand.
 
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