Can a 6" Stainless Steel Class A Chimney Installer Do This?

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lsayre
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Post Sat. Aug. 31, 2013 7:21 am

Can a Class A chimney be installed through the ridge vent center line of a home? As it turns out, if I choose to install a stove on the inside wall of our living room it looks like the best place for the chimney would be going straight through the center line peak of the roof.


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McGiever
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Post Sat. Aug. 31, 2013 8:43 am

Some things that need to be addressed would be structural issues...you don't want to compromise structural integritry and of course this application will require a non conventional flashing at roof penetration.

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michaelanthony
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Post Sat. Aug. 31, 2013 8:45 am

No , it looks like the chimney will have some off set piping in order to NOT go through the center line of the ridge!

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lsayre
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Post Sat. Aug. 31, 2013 10:06 am

I would much prefer to avoid offsets and keep it straight.

I did find this: http://www.icc-rsf.com/main.php?t=chem_produits&i=121&l=en

And this: http://www.icc-rsf.com/c/iccrsf/file_db/chem_prod ... 09-101.pdf
Last edited by lsayre on Sat. Aug. 31, 2013 11:07 am, edited 1 time in total.

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Post Sat. Aug. 31, 2013 10:59 am

I don't see why not, so long as you minimize the cutting of load bearing members and reinforce where you cant get away from it. I have seen peak flashing in stores at different times, here is a link that shows some for sale. http://www.amazon.com/s/ref=nb_sb_noss?url=search ... f+Flashing

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Post Sat. Aug. 31, 2013 4:56 pm

Can you install the chimney off to one side of the ridge, come straight down with it and then just offset the stove pipe coming off the stove to meet the chimney. I had an existing chimney that ran a couple inches off one of my outside walls of the basement so there was no moving it. I just have a slight offset in the stove pipe because the stove outlet couldn't be positioned close enough to the wall. It doesn't effect draft and any ash accumulation is easily vacuumed out via the barometric damper tee.

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Post Sat. Aug. 31, 2013 7:03 pm

ISayre

If the house has trusses for a roof system ,Greenlight. If you have rafters bearing on a ridgeboard(1x? or 2x?),Greenlight.If you have a massive BEAM on which the rafters set or are hung from joist hangers,Redlight!!! It is most unlikely you have that condition in this neck of the woods. If you have any doubt simply post a photo of the ridge and I can tell you for certain.

Waldo

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lsayre
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Post Sat. Aug. 31, 2013 7:18 pm

waldo lemieux wrote:ISayre

If the house has trusses for a roof system ,Greenlight. If you have rafters bearing on a ridgeboard(1x? or 2x?),Greenlight.If you have a massive BEAM on which the rafters set or are hung from joist hangers,Redlight!!! It is most unlikely you have that condition in this neck of the woods. If you have any doubt simply post a photo of the ridge and I can tell you for certain.

Waldo
It is a truss roof. The house was made in 1964.


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Post Sat. Aug. 31, 2013 8:21 pm

Let er' have it! ;)

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2001Sierra
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Post Sat. Aug. 31, 2013 9:14 pm

How would you install the flashing? Typically the flashing follows a roof pitch.

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KLook
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Post Sat. Aug. 31, 2013 9:25 pm

I have custom made flashing. After all, the old timers did it with steel. There are places that can bend any shapes you like. Find a good metal fabricator and just tell him the pitch and the hole size. I helped a friend make one out of copper. He silver soldered the corners!

Kevin

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Post Sun. Sep. 01, 2013 4:50 am

Not that you would do it ,but if your going through the peak of the roof, you could cut it tight and caulk it. so little water hits the very peak(yearly rainfall) minus whatever the cap deflects ,it would never show. I cant tell you how many 4" sewer vents Ive found when replacing a roof, where the plumber used a hole saw ,stuffed the pipe up through and ran off :shock: and nary a water stain to be found! @[email protected]% plumbers anyway! :out:

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Post Sun. Sep. 01, 2013 7:13 am

WNYRob wrote:Can you install the chimney off to one side of the ridge, come straight down with it and then just offset the stove pipe coming off the stove to meet the chimney. I had an existing chimney that ran a couple inches off one of my outside walls of the basement so there was no moving it. I just have a slight offset in the stove pipe because the stove outlet couldn't be positioned close enough to the wall. It doesn't effect draft and any ash accumulation is easily vacuumed out via the barometric damper tee.
...I like your thinking.

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lsayre
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Post Sun. Sep. 01, 2013 7:20 am

See the top link I posted above. Adjustable pitch angle flashing for chimneys that go through roof peaks.

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lsayre
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Location: N/E Ohio, between Medina and Wadsworth

Post Sun. Sep. 01, 2013 9:47 am

Attached here is a quick and dirty sketch of the general lay of the floorplan of our upstairs level. The broken line is the center line of the home (despite my failure to actually proportion things so it would look that way in the PDF), and the red box is my thought as to the best place to put a hand fired coal stove (thought the better half would like me to put it in the basement). If she allows me to win (not likely), is this red box location the best choice I have?
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floorplan.pdf
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Last edited by lsayre on Sun. Sep. 01, 2013 9:58 am, edited 1 time in total.


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