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3M - CP 25WB+ Fire Caulk application specific to MC cable.

3M - CP 25WB+ Fire Caulk application specific to MC cable.

3M - CP 25WB+ Fire Caulk application specific to MC cable.

(OP)
Hello all, I am trying to find some information regarding the application of 3M-CP 25WB+ Fire Caulk to MC cable penetrating a 2hr rated block firewall. I have the literature in respect to flexible metal conduit, unfortunatly I've not found anything specifically related to MC cable.  Any information will be appreciated.

RE: 3M - CP 25WB+ Fire Caulk application specific to MC cable.

It sounds as if 3M has not evaluated this assembly for a cable run through a wall. I do know that 3M has its own fire test furnance and they may be able to run a test for you and issue a report for this assembly using MC cable.

I have yet to see a through penetration fire stop assembly for cables that has not required the installation of conduit.

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