Double or Triple Wall Throught the Roof???

General topics about using bituminous coal for residential and commercial heating. Pros, cons, and where to get it.
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Tnguy
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Post Tue. Sep. 27, 2011 12:30 pm

hi, I was thinking about some of the info in my other post, if I run double or triple wall pipe out through the tin roof once I get outside how does it go from double.triple wall back to single wall ??? what keeps the water from running back down between the walls of the pipe??? thanks

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freetown fred
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Post Tue. Sep. 27, 2011 12:42 pm

Ya don't have to complicate the hell out of it. ;) Just use the cap that is recommended for the triple/double wall--mine's double. All that goop is from prior single wall wood stove creosote & roofing tar. :shock: toothy
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Tnguy
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Post Tue. Sep. 27, 2011 12:45 pm

ok I see what you have there, but I cant afford to buy enough double or triple wall to go all the way to the top of mine... thats why I didnt know how to seal it...thanks


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freetown fred
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Post Tue. Sep. 27, 2011 12:52 pm

Then just use single wall & put a cap on it. It'll last till it needs replacement. With my wood stove, the single black would last 4-5 yrs & we get some outlandish weather out this way.
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Tnguy
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Post Tue. Sep. 27, 2011 1:31 pm

freetown fred wrote:Then just use single wall & put a cap on it. It'll last till it needs replacement. With my wood stove, the single black would last 4-5 yrs & we get some outlandish weather out this way.
ok but how do I connect the single wall to the double wall? to keep out the rain? thanks

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freetown fred
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Post Tue. Sep. 27, 2011 7:40 pm

Theoretically, you don't. I'm sure you could jury rig it somehow,but, I'd go with one or the other. Without pix of what you're doing, it's hard to understand. At least for this old farmer. ;) Again, whatever you use, the cap will keep the rain out.
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Post Tue. Nov. 08, 2011 10:21 pm

Tnguy wrote:
freetown fred wrote:Then just use single wall & put a cap on it. It'll last till it needs replacement. With my wood stove, the single black would last 4-5 yrs & we get some outlandish weather out this way.
ok but how do I connect the single wall to the double wall? to keep out the rain? thanks
Look at Fred's picture and you will see what is called a storm shield at the bottom of the chimney. It keeps the water out of the flashing. You could make up or buy for your size of pipe.

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AA130FIREMAN
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Post Wed. Nov. 09, 2011 8:28 am

Ebay has some deals on cheap double wall, scratch and dent, I would be carefull with dents on the ends where they connect. Stick to all the same brand, so if you buy piece by piece, make shure you can get more.

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Post Sat. Nov. 26, 2011 5:01 pm

i went from single wall to double wall on my setup, they make the right pieces to attach both

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