#31  
Old 11-19-2010, 12:59 AM
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Location: new zealand
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Default Re: Oven Build 900mm - NZ

John
Thought that I had stuffed up on the lime part, however the lime that Farmlands sells is hydrated lime. Went to the web site of McDonalds lime (McDonald's Lime | ONLIME | Home).

Hydrated Lime Ca(OH)2
Calcium Hydroxide Ca(OH)2
Common Names: slaked lime, hydrated lime
Available in Bulk or 20kg bags

They sell these at farmlands for $9.00 a 20kg bag.

I did some other checking on the horticultural lime which is CaCO3 (calcium carbonate) which will not work as you said like the hydrated lime Ca(HO)2 (calcium Hydroxide).

Glad that I double checked it and hopefully any others can benefit from this info.
Cheers
Kriso

Last edited by kriso; 11-19-2010 at 01:02 AM.
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  #32  
Old 11-19-2010, 01:13 AM
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Default Re: Oven Build 900mm - NZ

After finally getting all the info on the lime front I have a better understanding between Hydrated lime (Ca(HO)2 calcium hydroxide) and horticultural lime (CaCo3 calcium carbonate).
I have just laid the first layer of firebrick for the base......
Attached Thumbnails
Oven Build 900mm - NZ-homebrew-fireclay-mix.jpg   Oven Build 900mm - NZ-firebricks.jpg   Oven Build 900mm - NZ-thermal-firebrick-layers.jpg  
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  #33  
Old 11-19-2010, 11:49 AM
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Default Re: Oven Build 900mm - NZ

That's looking pretty smart Kris,
cheers for all the lime info guys.
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  #34  
Old 11-22-2010, 10:13 PM
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Default Re: Oven Build 900mm - NZ

Hi there all
Can anyone give me an answer to what the reason is behind the soldier course or first corse.
I have attached some pic of the options I am pondering.
I have just laid the floor tiles. The bricks I am using go outside the floor tiles and thus the first corse of brick is only 50mm. Should I lay the first course on its side to give it extra height. Should I lay a second layer straight up which will give a vertical of 125mm or just start the curve from the 50mm.
Cheers Kris
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Oven Build 900mm - NZ-pb230020.jpg   Oven Build 900mm - NZ-pb230021.jpg   Oven Build 900mm - NZ-pb230022.jpg   Oven Build 900mm - NZ-pb230023.jpg  
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  #35  
Old 11-22-2010, 10:21 PM
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Default Re: Oven Build 900mm - NZ

Quote:
Originally Posted by kriso View Post
Hi there all
Can anyone give me an answer to what the reason is behind the soldier course or first corse.
Its to achieve some height before the dome starts.

Also, your black house bricks wont last 5 minutes in a pizza oven, Ive laid similar on houses and they are rubbish.
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Last edited by brickie in oz; 11-22-2010 at 10:23 PM.
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  #36  
Old 11-22-2010, 10:38 PM
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Default Re: Oven Build 900mm - NZ

Thanks brickie in Oz
I am glad that I did not lay the first corse today. I was tempted to but thought that it could wait till tomorrow. It sucks that they are no good as bricks here in Rotorua are hard to come by, fire bricks are $7 each. I found some clay pavers would these do the job????
Cheers

Kriso
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  #37  
Old 11-22-2010, 10:40 PM
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Default Re: Oven Build 900mm - NZ

Quote:
Originally Posted by kriso View Post
Hi there all
Can anyone give me an answer to what the reason is behind the soldier course or first corse.
I have attached some pic of the options I am pondering.
I have just laid the floor tiles. The bricks I am using go outside the floor tiles and thus the first corse of brick is only 50mm. Should I lay the first course on its side to give it extra height. Should I lay a second layer straight up which will give a vertical of 125mm or just start the curve from the 50mm.
Cheers Kris
It is to gve hieght and hence workable space. However, some avdvocate not using soldier coursse but go striaght nto half bricks on the bases. I choseto go the cut down soldier route with a 22deg angle cut across the top. This ave hieght aand a traditional profile but a go head sart in terms of angling the next courses of the dome
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  #38  
Old 11-22-2010, 10:46 PM
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Default Re: Oven Build 900mm - NZ

I laid clay pavers as a first course skirt in my oven and they seem to be standing up to the heat, the only thing that has cracked in my oven is the fire brick tiles I used for the oven floor..?

Search for "Johnny the oven man" on this forum, he knows all his stuff and is here in Melbourne.

Maybe you could do a castable oven as I did, it might be cheaper?
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  #39  
Old 11-22-2010, 10:46 PM
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Default Re: Oven Build 900mm - NZ

Thanks John
I have just received a email from Brickie in Oz who informed me that the clay bricks that I have will not last at all. I am going to go to get some clay pavers tomorrow. Have you used these and do you think they will work.
Cheers
Kriso
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  #40  
Old 11-23-2010, 12:09 PM
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Default Re: Oven Build 900mm - NZ

I'm just going to start straight into the dome.
Picked up hydrated lime from Place makers.
Just need to organise a diamond blade and can start.
Regards
Bart
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Last edited by wemme; 11-23-2010 at 12:15 PM.
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