9x10" Chimney - options for 8" insulated or equivalent?

[farmwithjunk]

Masonry chimney had a 6x9 oval liner which I pulled out but it was not insulated. I'm not sure if 8" insulated even with 1/4" would fit or not. I'll dry fit something tomorrow and see.

I know they make square and rectangle liners that would fit perfectly but those all seem to be lightweight .006 thickness and I was looking for .010 or better. Does anyone make a mid weight square or rectangle? Dealer said they never had an issue with lightweight liners.

Only thing I can think of is 8" oval rigid double wall insulated but that gets expensive quick.

Already have a stove ordered so I have to make something work.

 

[farmwithjunk]

Rockford's 7x7.93 (OD) rectangular liner would easily fit with 1/2" insulation and be the correct size but it is only .006.

 

[begreen]

Oval, insulated DuraLiner comes to mind. Yeah, seems almost anything stove related has gone up ridiculously in price this year.

 

[farmwithjunk]

It's 3/4 of an inch too wide for the last few courses at the top of my chimney. It wouldn't be a big deal to open that up a little wider but I'm not sure at the bottom the last few courses of cinder block it would clear on with as well. I suppose a test fitting is in order first.

 

[farmwithjunk]

Good news I test for 8" round to 8.75 and it fit easily so duraliner 8" round should fit if it's 8 5/8". Looks like Northline is out of stock on the Tee though and only have the oval tee.

 

[begreen]

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