Insulated chimney liner

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logfarmer

Feeling the Heat
Oct 25, 2015
258
Ohio
hello all, been reading but haven’t seen what I’m looking for! I’m buying a new stove this yr and I’m thinking about putting a liner in my exterior clay lined chimney. My inside chimney measurements are 6-3/4”x10”. Am I able to put a 6” insulated liner in that chimney? Or should I at least just put a liner in there not insulated? Thank you for any help or opinions.

Log farmer
 
No you wont fit a 6" round insulated liner in there but you could use an oval or remove the clay
 
A round 6" insulated liner ends up measuring 7" inches outside Diameter with the insulation added & some places may be as much as 7 1/2" depending on how tight your wrapping job is.