Firestop Putty Hardened


  #1  
Old 10-23-17, 02:54 PM
J
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Firestop Putty Hardened

Hello -

I'm not exactly sure where to ask this question but thought this would be a good place to start - thanks in advance for your help!

I've got a few hundred cat5 network cables running through a wall in a conduit. The conduit and cables are sealed up with what I'm pretty sure is firestop putty (it's red and molded inside the conduit and around all the cables).

I want to run a few more cables through the wall/conduit but the putty is rock hard. Isn't this stuff supposed to stay flexible forever?

Any tips for getting the putty out of the way without damaging the existing cables?

Thanks!
 
  #2  
Old 10-23-17, 03:11 PM
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I would find a different way to run the cables. It's too risky.
 
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Old 10-23-17, 06:31 PM
Tolyn Ironhand's Avatar
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Isn't this stuff supposed to stay flexible forever?
.
No. I have seen plenty of hard fire caulk. You might be able to dig it out, but with a few hundred cables it might be easier to make a new penetration.
 
 

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