#11  
Old 01-20-2014, 05:36 AM
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Default Re: Brick chimney to metal flue

Hopefully, that's not galvanized sheet metal. It dies look nice.....
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  #12  
Old 01-20-2014, 08:01 AM
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Default Re: Brick chimney to metal flue

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Hopefully, that's not galvanized sheet metal. It dies look nice.....
It is 24 gauge galvanized. It should be fine
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Last edited by V-wiz; 01-20-2014 at 08:08 AM.
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Old 01-20-2014, 10:43 AM
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Default Re: Brick chimney to metal flue

The inside is going to get rusty pretty quick if you don't coat it with high heat paint.
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Old 01-20-2014, 12:18 PM
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Default Re: Brick chimney to metal flue

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The inside is going to get rusty pretty quick if you don't coat it with high heat paint.

I just may spray the inside as well. Are you referring to the rust from the build of the soot/acid?
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Old 01-20-2014, 01:40 PM
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Default Re: Brick chimney to metal flue

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It is 24 gauge galvanized. It should be fine
The reason stainless is recommended is that heaps of people using galvanized have had to replace their flues after a few years service. Some prayer may help.
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Old 01-20-2014, 02:21 PM
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Default Re: Brick chimney to metal flue

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I just may spray the inside as well. Are you referring to the rust from the build of the soot/acid?
I thought the outside was painted with high temp already..you definitely should coat the inside of that chase.

Not only the soot, but the temperature fluctuations are going to create condensation, the heat will negate the galvanized finish in a relatively short time.
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  #17  
Old 01-20-2014, 02:30 PM
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Default Re: Brick chimney to metal flue

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The reason stainless is recommended is that heaps of people using galvanized have had to replace their flues after a few years service. Some prayer may help.
You could fabricate and fit an inner sleeve in stainless.
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  #18  
Old 01-20-2014, 03:36 PM
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Default Re: Brick chimney to metal flue

Flue gas is also highly acidic.
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  #19  
Old 01-20-2014, 04:13 PM
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Default Re: Brick chimney to metal flue

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The reason stainless is recommended is that heaps of people using galvanized have had to replace their flues after a few years service. Some prayer may help.

Using stainless would have been very expensive for this application, but i would have loved to use SS, sure. Prayer always helps
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Old 01-20-2014, 04:15 PM
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Default Re: Brick chimney to metal flue

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I thought the outside was painted with high temp already..you definitely should coat the inside of that chase.

Not only the soot, but the temperature fluctuations are going to create condensation, the heat will negate the galvanized finish in a relatively short time.
Yes, the outside is painted with high temp paint. Thanks for the info, i will also coat the inside.
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