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Fire Caulking

 
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Old 07-01-2019, 06:18 PM   #1
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Fire Caulking


Had framing and electrical inspection on an addition today, and all was good, except he had me add fire caulking on horizontal wire runs of 10' or more.

Never had an inspector require that before. Is that a common standard I've just been blissfully ignorant of until now?
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Old 07-01-2019, 06:22 PM   #2
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Re: Fire Caulking


I thought it was just the ones on each side of the box, and all verticals.

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Old 07-01-2019, 06:27 PM   #3
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Re: Fire Caulking


Quote:
Originally Posted by Tinstaafl View Post
Had framing and electrical inspection on an addition today, and all was good, except he had me add fire caulking on horizontal wire runs of 10' or more.

Never had an inspector require that before. Is that a common standard I've just been blissfully ignorant of until now?
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I thought it was just the ones on each side of the box, and all verticals.
seen it called both ways. yes on the verts.

they seem to get bigger smiles when they are more holes caulked than not...

don't complain too much, you should see what we have to do on school jobs...
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Old 07-01-2019, 06:55 PM   #4
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Re: Fire Caulking


Never heard of that.

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Old 07-01-2019, 07:11 PM   #5
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Re: Fire Caulking


Verticals for sure, that's logical. I can kind of see the sense in doing horizontals next to boxes, though I've never been asked to do that either.

Part of the explanation may be that the great majority of my past jobs used independent electrical inspectors, rather than a one-guy-checks-everything like the current job. Neglected to ask him whether that was a NEC requirement, or something in IRC or IBC.

[Opinion] While it's probably a good thing to have a one-man inspector in order to catch code overlaps, I don't see how one guy can be an expert in every code these days. Something's going to get diluted.
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Old 07-01-2019, 07:18 PM   #6
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Re: Fire Caulking


you should try working with a dsa inspector.

their knowledge of the codes will drive you to drink.

and as soon as you call BS, show me the code section, he goes to his collection of books and shows the dam code....

impressive but very annoying at times...

even the architect sometimes says enough with the dam codes...
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Old 07-01-2019, 08:27 PM   #7
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Re: Fire Caulking


Quote:
Originally Posted by Tinstaafl View Post
Had framing and electrical inspection on an addition today, and all was good, except he had me add fire caulking on horizontal wire runs of 10' or more.

Never had an inspector require that before. Is that a common standard I've just been blissfully ignorant of until now?
That’s a building code issue, same as firestops behind basement walls away from block walls. Every 10ft needs firestop
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Old 07-01-2019, 09:16 PM   #8
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Re: Fire Caulking


I've just been eddicated. Thanks.
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Old 07-02-2019, 05:39 AM   #9
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Re: Fire Caulking


Quote:
Originally Posted by Tinstaafl View Post
Verticals for sure, that's logical. I can kind of see the sense in doing horizontals next to boxes, though I've never been asked to do that either.

Part of the explanation may be that the great majority of my past jobs used independent electrical inspectors, rather than a one-guy-checks-everything like the current job. Neglected to ask him whether that was a NEC requirement, or something in IRC or IBC.

[Opinion] While it's probably a good thing to have a one-man inspector in order to catch code overlaps, I don't see how one guy can be an expert in every code these days. Something's going to get diluted.
Depends on the municipality sir.

Here, in suburban land, we got subdivided experts. And everybody pays a pretty penny for their expertise.
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Old 07-02-2019, 03:50 PM   #10
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Re: Fire Caulking


Round these parts all verts even if there is nothing to start a fire all path ways sealed, just fire caulk every thing smoke or fire can travel.

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