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Attached garage firewall - how to seal?
On Oct 26, 9:15*pm, "benick" wrote:
"Bubba Bubbs" wrote in message . . . . . . . The hatch is, essentially, a 2ftx2ft opening in the drywall/firewall. The 2'x2' piece of drywall is not even attched with any hinges, it's just put in place to cover the opening and is fastened with four nails. Naturally, there is a little bit of space inbetween, so I would like to seal that space - basically, seal off that whole hatch. The idea is to ensure a good fire-resistant seal between the garage and the attic. (Going forward, I won't use the hatch; there is another hatch in the hallway inside the house for attic access.) My question: what kind of sealant should I use to seal the spaces between the hatch "square" and the firewall. *Would any kind of fire resistant caulk do the job? *Or is there some kind of tape I'm supposed to use? .. . . . . . . . .Just mud and paper tape to seal the hatch... I took a short course on firestops etc, a long, long, long time ago. What I remember was that: drywall/no tape/no mud = very poor firestop drywall +tape + mud = good firestop At work, they used some sort of quick setting ceramic cement to seal around cables penetrating walls but they were meeting a tougher code than residential. Keep in mind that in residential, it's mostly "fire-slow-down", not really "fire-stop". Regards -J |
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