putting a v.c. montpilier insert in my exterior split rock chimney.. 6 inch with insulation will not fit down my 6 inch ceramic flue... will it make that much difference to use a 5.5 inch liner instead??? thankyou..
liner size
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I've got my insert in the basement, I believe my line is 21 feet, and I'm running a 5.5" smooth wall liner, because of the same conditions. A 6" wouldn't fit, even without insulation. So I built a block off plate, and a couple cheap bags of vermiculite later I have an insulated liner. This will be the fourth winter with it installed. Very little comes out when I clean it, and sometimes I even have issues with too much draft, I've had to use some magnets to block some of the intake holes at times.
15 feet is the length i need.. i wont b able to insulate a 6 inch and still get it down the chimney...
didnt think of insulating that way...... just have to figure out how to make something to cover the damper hole that i cut out.....good idea .. thanks....
At that height i would say you need 6" but the best way to know for sure is call the stove manufacturer and ask them. We would break out the old liners in a case like yours
got an old nostalgic fireplace .... dont wat to do to much damage... the ceramic 6 by 9 goes all the way to the old smoke shelf.....gota get this done in a couple weeks ... cold is comin sooon...... thnx.... bim
thanks everyone for the info... went with the 5.5 inch liner and installation was a breeze.. about two and a half hours from start to finish.. at 15 feet in length the draft was awesome..the oily film on the liner smelled a little as it burned off but after an hour all was well and it worked perfectly.....
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