Insulating Terracotta 6 Inch Flue in Brick Chimney Opinions
Guys I have a chimney jog coming up for owner .Chimney will be on sunny side of house .Most of day the sun is will be on new Brick Chimney .How about your opinions . Waste of time or not /. Plan is to pour Vermiculite around 6inch terra cot. flue jack
- 2001Sierra
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I insulated mine 36 years ago. It is inside the house and I poured in a white mineral insulation available at the time, it can only help especially with coal's low stack temps.
- freetown fred
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That's one of them--ya mights well--for myself, nah!! for a customer--yep--eliminates any POSSIBLE future situations. Give em hell Jack!!
Rob R. you can find vermiculite chimney insulation mix online. I used Rockford Chimney's because they had free shipping. Hope this helps. https://www.rockfordchimneysupply.com/chimney-insulation-mix-everguard.phpRob R. wrote:Did not insulated the liner on my brother's chimney and have always regretted it.
cost of the vermiculite can't be much...I would definitely do it.
- Sunny Boy
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Retaining heat in a chimney is a plus for both coal and wood.
Keeping the chimney warn reduces the chances of creosote condensation/buildup with wood. And it allows a good draft with a slow running coal fire in warmer weather.
Paul
Keeping the chimney warn reduces the chances of creosote condensation/buildup with wood. And it allows a good draft with a slow running coal fire in warmer weather.
Paul
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i wouldn't doubt that it is a good idea, the more draft the better, and I guess that if I was building mine again I would add it. (i can only imagine having a 3rd mortar pan to mix, seeing as there is already the block mortar, and high heat mortar for the tiles to keep up on)
For me, we did a double wide flu, so there was a lot of mortar to mix per day.
But, my 40' interior chimney lined with 8" square terracotta has no problems keeping a draft.
I would focus on getting it to be the highest thing in the area.
Here's a link to mine. Progress starts on pg 3.
Building a Chimney for a Kb8 Boiler
For me, we did a double wide flu, so there was a lot of mortar to mix per day.
But, my 40' interior chimney lined with 8" square terracotta has no problems keeping a draft.
I would focus on getting it to be the highest thing in the area.
Here's a link to mine. Progress starts on pg 3.
Building a Chimney for a Kb8 Boiler
- coaledsweat
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There is no reason to insulate an interior chimney, especially a forty footer.
uys owner a carpenter has R 11 batts from his job .I am building him a oversize chimney 20 in by 20inches .For a 6 in flue .He asked can the pink batt insul. be used as it is free.Please your pro an cons .jack
- coaledsweat
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Fill it with vermiculite. That amount of glass would be pricey and probably will settle over time.
- freetown fred
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Indeed it can be Jack. No safety issues there! Free is the best & will do the job nicely. Just make sure ya got a good cap/piece of slate on upright bricks. Ya don't want the pink getting wet, it'll settle!
Den034071 wrote:uys owner a carpenter has R 11 batts from his job .I am building him a oversize chimney 20 in by 20inches .For a 6 in flue .He asked can the pink batt insul. be used as it is free.Please your pro an cons .jack
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pros
> free
> its better than nothing
cons
> the vermin will render it useless if they can get at it
> likewise w/ moisture
> Im guessin theres others as Ive never seen it done before....
> free
> its better than nothing
cons
> the vermin will render it useless if they can get at it
> likewise w/ moisture
> Im guessin theres others as Ive never seen it done before....
- Keepaeyeonit
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Hi Jack, I would not use wall insulation as the others have stated even If Its free. I insulated mine when I relined it with Perlite and couldn't be happier, I always have draft to spare no matter what. I paid $9.60 per 4 CUFT bag so Its not pricey so I would do It.