Furnace cement gap...what's the maximum

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Squeaky_6

Member
Oct 22, 2014
40
Minneapolis,MN
Hello!
I am having an issue finding an oval to round connector for my country comfort cc300 stove.
I went to a fireplace store and he sold me the Vermont castings adapter, oval to round, he said with cement gasket it should work.

I got it home and tested it out.... We have gaps close to or over 1/2! This makes me super nervous!

My question if I plug these gaps good with furnace cement, is this ok?? Or should I try to have a welding shop fab a new adapter for me to 6 inch round?

Thank you!
 
With that much of a gap I think I'd try some 7/8" tape gasket in lieu of furnace cement.
It's about 1/8" thick & can be wrapped on top of itself to build up thickness.
 
Daksy,
Do you have link to what your talking about? I can only find the rope gasket tape...Is this what you are talking about? I was thinkink it would be something different almost like a silicone type tape?

Thank You for your help!
 

Rutland Inc 90 Gasket Stove 5/8"X7'TAPE

4 product reviews
Used as gaskets on the doors of wood burning stoves. Graphite impregnated to resist abrasion and last longer. Used as original equipment by major stove manufacturers as well a replacement for worn out gaskets. Abrasion resistant. Blends in with the stove. Resists creosote adhering to it. Withstands temperatures up to 1000-degrees fahrenheit. Tapes that have removable paper strip on back, are manufactured from textured fiberglass for high temperature sealing qualities.
$4.29
HOS - HardwareOnlineStore.com
+$6.93 shipping. No tax

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$14.95eFireplaceStore.com
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$7.69eBay - lifeandhome_com
 
I would pack that with gasket and furnace cement a bead around the top, just because. The same gasket material I would normally seal a door with
 
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