#21  
Old 11-15-2011, 03:15 AM
Serf
 
Join Date: Oct 2011
Location: Australia
Posts: 13
Default Re: First time oven build

Hi Fellow Pizzaioli of the world, viva la pizza

The dome and insulating fire blanket and perlite layer is sitting partly on the fire board and partly on the concrete slab ski i think I have enough insulation not to loose too much heat through .

It is now finished rendered and has been drying in 30+ heat for 2 days.
I will leave it for a full 2 weeks to dry.

I am pretty happy with the result, the total wall thickness is a full 12 inches from inside to outside and i can't wait to cook in it.

here is the finished image, there is still the finishing touches of the bench tops and block rendering to go, but we can do that between pizzas.First time oven build-pizzaplex.jpg
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  #22  
Old 11-15-2011, 04:49 AM
The Goose's Avatar
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Join Date: Sep 2008
Location: Robigana Tasmania
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Default Re: First time oven build

Looks good..

Enjoy
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  #23  
Old 11-15-2011, 05:40 AM
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Join Date: Mar 2007
Location: Townsville, Nth Queensland,Australia
Posts: 4,878
Default Re: First time oven build

Megapulse,
As it has been less than a week since you finished your inner 110 mm thick casting and you've also added a perlcrete layer then rendered it over without waiting for the sun and wind to help dry it, you have locked in a lot of moisture. Remember that for every 100 L of perlite used you have probably added around 35 L water. This now has to find its way out your outer shell in addition to the water locked in the centre of the inner dome casting. It is difficult to wait but you must take it slow to prevent cracks and blowing. If I were in your position I'd be drilling a number of small holes in the outer shell to release steam,you can always easily plug them up once your oven is properly dry.
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  #24  
Old 11-15-2011, 06:48 PM
Journeyman
 
Join Date: Jun 2008
Location: Melbourne Australia
Posts: 399
Default Re: First time oven build

Hope the render wasnt waterproof. You cant push steam through it. You must always dry a WFO out before you render.
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  #25  
Old 11-18-2011, 11:52 PM
Serf
 
Join Date: Oct 2011
Location: Australia
Posts: 13
Default Re: First time oven build

Hi David

Thank you for the advice.

I have a question, Can the fire be on the right side or must it always be on the left to create the correct convection?
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  #26  
Old 11-19-2011, 01:14 AM
david s's Avatar
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Join Date: Mar 2007
Location: Townsville, Nth Queensland,Australia
Posts: 4,878
Default Re: First time oven build

I don't know why, but I always have my fire on the right hand side. Probably something to do with being right handed. I can't think why either side would work better unless it has something to do with circulation like cyclone direction or water rotating down a plug hole. I sometimes change the fire to the left to get a hotter part of the floor. I've not noticed any difference in heat or smoke circulation.

Does this mean you are ready to take your oven to pizza temp? If so I think you are taking it dangerously quick.

I assumed you were talking about maintaining an active fire on the side to cook pizza, but if you meant firing the oven up to temperature, then you just build the fire up slowly until you can spread the fire out and try to fill the whole dome with flame.

Last edited by david s; 11-19-2011 at 01:21 AM. Reason: misunderstood the question
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  #27  
Old 11-21-2011, 01:54 PM
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Il Pizzaiolo
 
Join Date: Jan 2010
Location: brisbane australia
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Default Re: First time oven build

Megapulse
You have picked the right wheather for drying out your oven ....Dryest November in the Brisbane records and hot too...
Don't forget though you still have to heat the oven up in stages ( and let it cool after) so the stresses take up in micro cracks not one big one.

Regards Dave
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  #28  
Old 12-24-2011, 04:36 PM
Serf
 
Join Date: Oct 2011
Location: Australia
Posts: 13
Default Re: First time oven build

Finally the finished product and it works great
Attached Thumbnails
First time oven build-finished-oven.jpg  
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  #29  
Old 12-24-2011, 04:51 PM
GianniFocaccia's Avatar
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Join Date: Jun 2009
Location: Disneyland, CA
Posts: 1,514
Default Re: First time oven build

Nice job, Mega. Should provide years of wonderful wood-fired service. My vote for most neatly-stacked wood.
John
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  #30  
Old 12-24-2011, 07:35 PM
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Il Pizzaiolo
 
Join Date: Jan 2010
Location: brisbane australia
Posts: 2,493
Smile Re: First time oven build

Mega
I personally thought the wood could have been stacked a little neater....
but full points anyway....
I'm driving again so that pizzas tasting better already. ( crook hand ...not drink driving in case anyone thinks different !)

Regards Dave
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