Sealant for Stove

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nightowl66
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Hand Fed Coal Stove: Brunco Wood/Coal Stove

Post by nightowl66 » Tue. Sep. 23, 2014 2:39 pm

I bought a used Brunco Hearthglow wood/coal stove for the shop. You can have the stove pipe coming out the top or out of the back by moving a plate to cover the hole. I moved the plate from the top to the back and when doing my first burns noticed that I am not getting a good draft from the bottom vent on the stove. I used a stick of incense to see if I was sucking air anywhere and I am sucking air at the bottom of the plate that I moved to the back. It appears the stove has been bent in just a little where the plate meets the stove. There is no way I can "bend" it back out so I just need to seal a small gap. It is metal to metal seal, no gasket.
Any ideas?
Thanks.

 
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freetown fred
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Post by freetown fred » Tue. Sep. 23, 2014 5:19 pm

if you can't use some flat gasket--red permatex works well if you're gonna do any wood, she's gonna get REAL hot-- even for stove patch/mud. I'd finagle something with the flat gasket material.

 
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Lightning
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Post by Lightning » Tue. Sep. 23, 2014 5:40 pm

Yeah, I agree.. Maybe you could compress some stove door rope gasket there. I think that location would be too hot for any silicone type stove sealant.. you can find it at pretty much anyplace that sells stoves and stove supplies.


 
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michaelanthony
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Post by michaelanthony » Tue. Sep. 23, 2014 10:27 pm

Lightning wrote:Yeah, I agree.. Maybe you could compress some stove door rope gasket there. I think that location would be too hot for any silicone type stove sealant.. you can find it at pretty much anyplace that sells stoves and stove supplies.
...you might need longer screws if you go with rope gasket ;)

 
franco b
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Post by franco b » Tue. Sep. 23, 2014 10:29 pm

Just use furnace cement.

 
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Sunny Boy
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Post by Sunny Boy » Wed. Sep. 24, 2014 5:29 am

franco b wrote:Just use furnace cement.
What franco b said. ;)

Furnace cement will withstand much higher temps than any other type of sealer. And it's easier to get into small areas of a gap if your not disassembling the parts.

That's how stove were sealed for a long time, and the antique stoves are still sealed that way by professional shops and restorers.

Paul


 
nightowl66
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Hand Fed Coal Stove: Brunco Wood/Coal Stove

Post by nightowl66 » Thu. Sep. 25, 2014 1:59 am

I had some fire block sealant I was going to use, it withstands high temperatures. But I had some thin gasket for the glass in the doors I used. I think that did it. I'll test it better this weekend. Thanks for the suggestions.

 
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davidmcbeth3
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Post by davidmcbeth3 » Thu. Sep. 25, 2014 3:25 am

time to take out the mig welder !

 
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freetown fred
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Post by freetown fred » Thu. Sep. 25, 2014 7:13 am

Don't think so--if you'd ever want to sell the stove & someone needed to use the other outlet, that would be a problem.

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