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Old 11-15-13, 08:56 PM   #5
Minimac
Lurking Renovator
 
Join Date: Oct 2012
Location: Upstate NY
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Thanks for posting! Fortunately for me, I had access to a commercial firestop product when I needed it while I was building. Very interesting that the closed cell insulation seemed to perform better than the greatstuff "firestop".
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