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Thread: 2 hour masonry firewall
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09-09-2008, 06:29 AM #1
2 hour masonry firewall
I remember someone asking about a detail for this type wall several months ago. Anyone still have a detail on this or where it is located?
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09-09-2008, 08:00 AM #2
There are quite a number of these, can you be more specific than just "masonry"?
Here is a link to a few. Just a web search on 2 Hour or Two Hour Masonry Wall turns up a lot of hits.
Bryce Engstrom: Architect, LEED AP
www.engstromarchitecture.com
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09-09-2008, 10:19 AM #3habitual user
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Almost every unit masonry wall over 4" thick will achieve a 2 hour rating. The required detailing will depend on the application (bearing or non bearing, exterior wall or separation).
Warren Hirsch
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09-09-2008, 10:29 AM #4
What I have is a exterior 8" cmu wall. The cells are grouted and the truss roof meets up and the wall cap is at the same roof pitch. Fire Marshall indicated that it needed to be a certain UL listing.
Actually I thought the wall was already a 2 hour rated wall so that is why I was asking. Maybe I am missing something
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09-09-2008, 11:01 AM #5habitual user
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Originally Posted by MH DraftingWarren Hirsch
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09-09-2008, 11:47 AM #6
Thanks for the help