Author Topic: My wood fired oven has arrived!  (Read 15389 times)

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Offline Ev

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Re: My wood fired oven has arrived!
« Reply #80 on: August 11, 2011, 07:29:58 PM »
What do you use to seal single wall pipe at those temps?

CL

ooh! OUCH!  >:D


Offline flyboy4ual

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Re: My wood fired oven has arrived!
« Reply #81 on: August 11, 2011, 08:02:20 PM »
Craig,

Good question.  I have some high temp silicone rated to 300 degrees.  Any ideas?

Scott D.

Offline Tscarborough

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Re: My wood fired oven has arrived!
« Reply #82 on: August 11, 2011, 08:14:54 PM »
If it was me, I would do the roof with metal roofing.  You should be able to flash that, unlike pretty much anything else you apply to it. If that is single wall pipe, there really is no flexible material that I know of to seal it that will take the heat.  Maybe some glass rope that has been doped with something.

Metal roof, stucco on all but the face and tile the face=my choice.

Brick or stone really will not work with the angles, and if you tile it all, the corner/edge joints will crack.  Not might, they WILL.

Offline flyboy4ual

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Re: My wood fired oven has arrived!
« Reply #83 on: August 11, 2011, 08:55:39 PM »
Just curious,

How do you think this was done? is just surrounded by cement?  Maybe i should check with Forno Bravo.  I think this is their Tuscano oven that is a finished  Casa 2G.

Scott D.

Offline Ev

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Re: My wood fired oven has arrived!
« Reply #84 on: August 11, 2011, 11:05:26 PM »
You could apply a bead of this http://www.rutland.com/productinfo.php?product_id=28 under the top of a storm collar. It's only rated to 600 but maybe that's enough. Just a thought.

Offline JConk007

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Re: My wood fired oven has arrived!
« Reply #85 on: August 12, 2011, 09:20:45 AM »
Suprised Forno still uses single walll at that price?? 2 ft section of double wall is only $120 bucks?
I used a stoem collar on the earthstone and the mobile has the stucco sealing the base plate here is what it looks like no issue with either Both double wall pipe
JOhn
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Offline flyboy4ual

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Re: My wood fired oven has arrived!
« Reply #86 on: August 25, 2011, 04:10:29 PM »
I have most of the joints taped and mortared.  I am just waiting to get the front roof piece done when I figure out what I am going to do with the chimney coming through the cement board.

Scott D.

Offline TXCraig1

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Re: My wood fired oven has arrived!
« Reply #87 on: August 25, 2011, 04:56:13 PM »
Have you checked the temperature of the chimney with the oven running at full temp?

Pizza is not bread.

Offline flyboy4ual

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Re: My wood fired oven has arrived!
« Reply #88 on: August 25, 2011, 06:33:54 PM »
Craig,

When I aim my laser thermometer at the tube part of it, it gives a false reading.  When I aim it on the inside of the chimney cap it reads about 450F. 

Scott D.

Offline TXCraig1

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Re: My wood fired oven has arrived!
« Reply #89 on: August 25, 2011, 10:25:03 PM »
450F continuous is really the outside edge of what you can do with most high-temp silicone. Even if you could find something with higher temp application, I don't think it solves your problem. I don't think you can get angled roof flashing for single wall pipe, and you don't want to seal single wall straight into your roof. In residential penetration applications, single wall is generally used for chimney liner and as such, it always comes out through a horizontal opening at the top of a chimney.

I think your best option might be to pull out the single wall pipe, put in an adapter and run a length of double wall through your roof. This way, you can use a proper flashing and storm collar and seal everything with silicone.

Craig
Pizza is not bread.


Offline flyboy4ual

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Re: My wood fired oven has arrived!
« Reply #90 on: August 25, 2011, 10:31:35 PM »
Thanks for the information Craig.  Just curious how does Forno Bravo get away with doing this?

http://www.fornobravo.com/residential_pizza_oven/toscana-pizza-ovens.html

That is kinda how I want to do mine.  They also use a single wall pipe.  Do you think I could do something like this?

Thanks,

Scott D.

Offline TXCraig1

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Re: My wood fired oven has arrived!
« Reply #91 on: August 26, 2011, 11:14:10 AM »
The main difference being that the FB Toscana are not inside an enclosure like yours. They are masonry and stucco all over. Fill your enclosure with perlite or some other insulation, and you will have a much easier time keeping your temperature up than you would in one of the premade FB ovens.

Maybe you could tile the roof and somehow fashion a masonry seal around the chimney similar to what FB does? It could come down and have sort of a flange cast into it that would lie under the tile?

I think moving up to double wall chimney will be a lot easier, probably less expensive, and probably better mechanically.

CL
Pizza is not bread.

Offline TXCraig1

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Re: My wood fired oven has arrived!
« Reply #92 on: August 26, 2011, 11:15:09 AM »
Is that 6" or 8" pipe coming out of your oven?
Pizza is not bread.

Offline flyboy4ual

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Re: My wood fired oven has arrived!
« Reply #93 on: August 26, 2011, 05:42:30 PM »
Craig,

It is an 8 inch pipe.

I was thinking of doing a 1-2 inch ring of refractory cement around the pipe and leaving a 1/8 to 1/4 inch gap from the pipe to the ring.  And then I would fill that with high temp silicone rated to 600 degrees.  I live in Southern California, so we really don't get much rain.  I plan on covering the oven when rain is expected, so it should not really be exposed to water. 

Scott D.

Offline TXCraig1

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Re: My wood fired oven has arrived!
« Reply #94 on: August 26, 2011, 08:59:29 PM »
Worth a try. You can always change it down the road if that set-up gives you problems.

CL
Pizza is not bread.

Offline JConk007

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Re: My wood fired oven has arrived!
« Reply #95 on: August 26, 2011, 10:09:59 PM »
Scott ,
I have to agree with Craig here If the adaptor plate will take the double wall pipe I also recommend you  just change to the double wall.  I still cant believe they send that pipe with that Price tag? A -  3ft stainless section will run around $165  bucks and your problems are solved Think you may need a new cap as well another $50 I stuggled with how to frame mine chimney in for months and no one could make a suggestion 5 years ago. The double wall was the answer I then used a wood roof and had it done in a weeks time
John
I Love to Flirt with Fire! www.flirtingwithfirepizza.com

Offline flyboy4ual

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Re: My wood fired oven has arrived!
« Reply #96 on: September 07, 2011, 04:31:27 PM »
Having fun with the oven and cheese curd!

Scott D.

Offline flyboy4ual

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Re: My wood fired oven has arrived!
« Reply #97 on: September 10, 2011, 01:37:11 AM »
I started to mess around with sketch program and a photo of my untiled oven.  I kind of like the look of the mosaic. 

Scott D.

Offline JConk007

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Re: My wood fired oven has arrived!
« Reply #98 on: September 10, 2011, 08:27:33 AM »
Lots of work but thats exactly what I envisioned !
John
I Love to Flirt with Fire! www.flirtingwithfirepizza.com

Offline flyboy4ual

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Re: My wood fired oven has arrived!
« Reply #99 on: October 03, 2011, 03:06:02 PM »
Two coats of Red Guard applied and drying.  This should create a water tight seal before applying the tile.

Scott D.


 

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