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

[MattADV]

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.

 

[stookeyfpe]

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.