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#25433 - 05/08/03 11:12 AM thru-wall penetrations
Elzappr Offline

Registered: 12/20/01
Posts: 273
Loc: Oregon
Anyone know a source of info that illustrates the do's and don'ts for making conduit sleeve-type penetrations in fire walls? I'm particularly interested in finding out how long a sleeve has to be when it sticks out of the sheetrock. Different inspectors in different lacalities have come up with different interpretations and I don't know what to think anymore. I have seen specifications for conduit sleeves that require a minimum of 1" and maximum of 2" sticking out from the surface, and I have run into inspectors that require 18" sticking out. Is this just a local issue, or is there some national standard that is unevenly enforced, or inadequately understood?

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#25434 - 05/09/03 05:32 AM Re: thru-wall penetrations
mountainman Offline

Registered: 01/29/02
Posts: 54
Loc: Richmond Va. U.S.A.
Get in touch with UL, and order Fire Resistance Volumes 2A & 2B, they list all through wall and floor penetrations.


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