ryan_618 Senior Member Location Salt Lake City, Utah Mar 15, 2007 #2 Sure, if it has a listed through penetration fire-stop.
W W6SJK Senior Member Mar 15, 2007 #3 You can find the UL listed firestopping method and installation details at mfrs web sites such as 3M.
You can find the UL listed firestopping method and installation details at mfrs web sites such as 3M.