Framing Offset Wall & Firestopping

Old 05-27-08, 07:36 PM
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Join Date: Nov 2007
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Framing Offset Wall & Firestopping

I have a wall in my basement in which I have plumbing (water & sewer pipes) than run about 8" off of the concrete wall.

I want to frame a wall in front of these, which will make the wall approx. 12" offset forward of the basement concrete wall.

My question is how do I create firestopping (10' ceilings) in that false wall, when it is 12" offset?

How do I do this? Any ideas out there?
Old 05-29-08, 09:59 PM
Join Date: Sep 2007
Location: Antioch, Il
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Check this site :
page 3 of the document show a firestop of an offset wall. I do not know if the greater distance you are dealing with makes a difference... but your inspector will.

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