I am going to install a 4" liner inside an existing 7" Selkirk metalbestos double wall chimney previously used to vent an oil furnace & water heater. Length is about 17 feet straight up from basement through roof of a bungalow. Thoughts on whether I need to insulate the liner?
Insulate liner inside metalbestos?
- Thread starter DLRoss
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I would wrap it. It'll help keep the liner warm & make it somewhat easier for the draft to move thru it at start up.
railfanron
Minister of Fire
I have about the same 17ft straight up inside a double wall chimney. I did not insulate it and it works perfectly. This is my 4th year and when I clean it after a whole season and 3 tons of pellets I'm lucky to get a cup of ash out of it. My vote would be not necessary.
Ron
Ron
rich2500
Minister of Fire
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