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  #31  
Old 03-12-2013, 05:08 AM
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Default Re: K79 Oven Build

Oh man, why did I read that some people used low duty firebrick for their oven. I'm supposed to be using MEDIUM duty firebrick for my oven right....ahhhh Also the exact dimensions of my medium duty firebrick are 9"x4 7/16"x2 5/16". Dimensions ok?

Last edited by K79; 03-12-2013 at 05:44 AM.
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  #32  
Old 03-12-2013, 10:07 AM
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Default Re: K79 Oven Build

Low or medium duty will both work well. People have also used high duty but I understand its a b*tch to cut and also takes a bit more work to get up to temp.
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  #33  
Old 03-12-2013, 12:44 PM
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Do you follow the same principles as your dome when it comes to mortar thickness and your vent arches? Smallest joint possible or do you want a 3/8" joint here?
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  #34  
Old 03-12-2013, 01:49 PM
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Default Re: K79 Oven Build

DJ is kind of right, about heavy duty which I used in my build, they are not only a b*tch to cut they are a #@$% b*tch to cut
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  #35  
Old 03-12-2013, 11:10 PM
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Default Re: K79 Oven Build

K79 -
here is a sketchup of how I built my arch. Freestanding, and the "L" bricks are in the front. The Gray area is where the vent arch overlaps the inner arch. You'll see there is about a quarter inch difference.

Glad I saved...

Attachment 34233
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  #36  
Old 03-13-2013, 04:35 AM
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Quote:
Originally Posted by deejayoh View Post
K79 -
here is a sketchup of how I built my arch. Freestanding, and the "L" bricks are in the front. The Gray area is where the vent arch overlaps the inner arch. You'll see there is about a quarter inch difference.

Glad I saved...

Attachment 34233

When I click on this it says invalid attachment
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  #37  
Old 03-13-2013, 07:07 AM
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So is it even possible to achieve an 8"x12" rectangular vent in your arch? Using an 8"x12" clay flue I would think you would want the exact dimensions for the arch vent which would equal an 8" round steel chimney. I'm also wondering how you would work the flashing around the chimney that comes out right at the peak. I've called supervent about their ss 8" chimney (thought about doing this) and they don't even sell any type of flashing for a chimney that comes out the peak.

Last edited by K79; 03-13-2013 at 08:02 AM.
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  #38  
Old 03-14-2013, 05:10 AM
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A Few questions here guys: Ok, here is my plan for my arch. It's about 75% complete. I think the other 25% needs to be figured out on the fly. What do you guys think? In the front view I only show a set of green bricks on the left but they are on the right as well. Those represent the arch. Same with the green line. I'm planning on putting a 1" reveal around the inner arch for my door. Sounds like enough to me, but from experience is it? Are the bricks spanning the vent arch in the front and back with the dimensions of 2 1/2" to small to be structurally sound?


And for my enclosure the FB plans show 4" of space for vermiculite around the oven. I wasn't sure if there was some sort of code why they have the roof 4" over the top of the oven and FB blanket. Here are two options. I'ld really like to build the first one so it's not so tall, or do I need to clearance in design two?

Design One:



Design Two:



And Last, is just over a half inch mortar joint on the outside of my oven just for my soldier's ok? I'm worried if I taper them then they won't fit nice and tight on the inside.


Last edited by K79; 03-14-2013 at 09:52 AM.
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  #39  
Old 03-14-2013, 12:34 PM
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Default Re: K79 Oven Build

It has begun!

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  #40  
Old 03-14-2013, 01:11 PM
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Default Re: K79 Oven Build

The adapter plate for metal pipe is 12x12, and requires an 8x8 opening to work.
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