#11  
Old 05-16-2013, 11:48 PM
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Default Re: How to build chimney and outer arch

Hi Brickie, would there be such a thing as a drawing that details the block laying for a chimney anywhere in the forum?
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  #12  
Old 05-16-2013, 11:58 PM
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Default Re: How to build chimney and outer arch

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Originally Posted by RichC View Post
Hi Brickie, would there be such a thing as a drawing that details the block laying for a chimney anywhere in the forum?
Hi Rich, not that I know of.
By block work I aasume you referring to the block base? Concrete blocks cant be used for a chimney.
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Old 05-17-2013, 12:52 AM
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Default Re: How to build chimney and outer arch

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Originally Posted by brickie in oz View Post
Hi Rich, not that I know of.
By block work I aasume you referring to the block base? Concrete blocks cant be used for a chimney.
Sorry Al, I mean the brickwork ! I'm away from home for a week but I have 'the breadbuilders ' book at home. Ill check when I get back but I think it might detail a brick chimney build.
My dilemma is this, the kit I'm using comes with a 3 piece vermicrete chimney arch. The top piece is prebored and takes a chimney flue. It's then finished with brick slips in the outer edge. I think it's a bit ugly as its more square than arched, so I'm thinking of building a red brick chimney stack, although it will probably end up being plastered. As the kit chimney is made if vermicrete I'm wondering will I be affecting my ovens performance in terms of heat up or heat retention negatively by building my own red brick chimney stack. Not willing to use firebrick as they're €2.70 each here.
Thx
Richard
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Old 05-17-2013, 02:35 AM
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Default Re: How to build chimney and outer arch

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A hell of a lot more than you can build your chimney high.
Ive got 100mm of concrete and the chimney stack is over 2M above the top of the oven.

The main problem most ppl forget about is sideways buttressing to stop the entry arch from pushing down and out.
Thanks Brickie. I may reconsider my original brick chimney design. Once I calculated the weight of and oven and chimney of well over 3000 lbs, I got scraaarrrddd and changed my plans and decided to wrap my clay flue with steel studs, Hardee concrete board and stucco.
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Old 05-17-2013, 02:44 AM
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Default Re: How to build chimney and outer arch

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3000 lbs,
1 and a half tons spread mostly over the entire footprint of the oven is nothing if you have good foundings and good support for the oven slab.
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Old 05-17-2013, 06:02 AM
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Default Re: How to build chimney and outer arch

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1 and a half tons spread mostly over the entire footprint of the oven is nothing if you have good foundings and good support for the oven slab.
I have not posted anything about this subject on my build and been wondering if any is interested and would like to discuss it. I would be willing to post and explain my foundation footprint and supporting structure with pics as time permits on this thread if RichC and others would like and approve.
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Old 05-17-2013, 06:34 AM
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Default Re: How to build chimney and outer arch

By all means KB
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Old 05-17-2013, 07:53 AM
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Default Re: How to build chimney and outer arch

Ok RichC ,
We will start at the very beginning, as I try not to be long winded and make it enjoyable. Here is text along with a picture I sent to my adult children last fall: Kids we decided to bring Lalane home to be with us, we felt so far away from her all the way at our house on Whitedove, Please visit her soon. Lalane is the long lost sister the older kids told their youngest sister about when she would not comply, they explained to her the value of listening to Dad about doing right, and eating her veggies: Hence the start of the pizza oven construction.

Most houses in Florida begin with block construction do to termites on top of a poured footer 16”x 8”x8” with two 5/8” rebar parallel on 8” centers…………. I felt this was more then adequate for the WFO ,heck a house can sit on it………………..although I did use ½” rebar thinking that was what I remembered of my construction experience and as stated in the FB plans. My first oops………. More to come I have been working nights need rest
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How to build chimney and outer arch-sspx0004.jpg   How to build chimney and outer arch-sspx0011.jpg   How to build chimney and outer arch-2.jpg   How to build chimney and outer arch-sspx0027.jpg   How to build chimney and outer arch-sspx0031.jpg  

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Last edited by kbartman; 08-22-2013 at 07:25 PM. Reason: spelling
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Old 05-18-2013, 05:44 AM
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Default Re: How to build chimney and outer arch

RichC,
I try to make this short so I don't have your thread high jacked to long. Also I just stumble across the this thread it looks like it could be another wealth of info http://www.fornobravo.com/forum/f9/n...ion-15708.html (Need advice on chimney and outer arch construction)

My supporting structure continued:
Rebar overlap of 24” is standard Florida code Rebar was used in and corners and in the middle of pool wall to help tie in the stand to existing structure.
After the footer was poured and set a knee wall was built up to storage area. The center inside the knee wall was backfilled and compacted the vapor barrier was laid the 6”x 6” steel wire mesh was added for strength of floor pour.
After the floor pour the first course of blocks were set. Concerned the rebar tie in was not enough below the floor I decide to add additional reinforcement in that first course of block Also I felt my rebar overlap was not up to code, so I drilled and epoxied to achieve overlap.
Then the additional courses were set to hearth level.
Stand dimensions for my 40”that became a 39”oven:
Footer overall outside 72” x 80”
Stand overall outside 64” x 72”
Attached Thumbnails
How to build chimney and outer arch-sspx0023.jpg   How to build chimney and outer arch-sspx0032.jpg   How to build chimney and outer arch-sspx0036.jpg   How to build chimney and outer arch-sspx0040.jpg   How to build chimney and outer arch-sspx0046.jpg  

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Last edited by kbartman; 05-18-2013 at 06:17 AM. Reason: link fix
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Old 05-18-2013, 05:48 AM
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Default Re: How to build chimney and outer arch

More pics: and looking foward to comments, questions and suggestions.
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