the drywall ends about 1 inch all the way around the metal chimney liner in the attic
any way to seal up the 1 inch gap? would cement work?doing so will create an almost hermetically sealed area inside the wall behind the brick facing on the fireplace
I think youre supposed to have a 1" clearance for safety and for it to meet fire code. Its an airspace...and nothing is supposed to be up against the metal chimney liner.
In alt.home.repair on Fri, 17 Dec 2004 17:48:23 -0600 "effi" posted:
P&M, reply to group
I don't know if this will help, but metal chimneys have one pipe inside the other. Otherwise they'd be too hot to touch, and burn down the house.
Are you trying to keep the inside of the pipe hot, or the outside of the pipe cold?
Anyhow, there already is some insulation. Wet your finger a lot (as if checking an iron) and touch the chimney while the fire is going. Does the wetness sizzle? Is it warm at all?
In my attic, there is nothing around the chimneys at all, either for the furnace or the fireplace. But I'm probably never up there when either fire is burning. So I don't know how hot they get.
Meirman
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