#11  
Old 10-09-2011, 08:01 PM
Journeyman
 
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Location: Melbourne Australia
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Default Re: linning a webber with refractory material

Quote:
Originally Posted by david s View Post
If you use perlite in the mix then you reduce the amount of thermal mass. You also make the casting weaker. You really need to insulate the outside as well. It might work, I have successfully made a castable using 50/50 castable refractory and perlite reinforced with stainless steel needles. If you want to go a cheaper route then try the homebrew mortar recipe instead of a proprietary castable, but add some animal or human hair (which burns away) to it to create pipes that allow moisture to be removed better.
DAVID, you are far better using shredded plastic or chopped up rope. Some refractory castables have polypropalene fibres added for RFT. [Rapid Fire Technology] Human or animal hair would stink.
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  #12  
Old 10-10-2011, 02:10 AM
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Il Pizzaiolo
 
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Location: Townsville, Nth Queensland,Australia
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Default Re: linning a webber with refractory material

True, but at least it won't be toxic. I don't like burning plastics.Natural fibres for me.
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  #13  
Old 10-22-2011, 08:08 AM
Apprentice
 
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Location: ohio
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Default Re: linning a webber with refractory material

how would i form a mold if i want to make a one piece dome using solid flue say 1.5 inches thick. we cooked 25 pizzas in this little oven last night. it maintained a floor temperature of 800 degree, and cooked Neapolitan 60 second pizzas for three hours straight.
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  #14  
Old 10-22-2011, 12:50 PM
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Il Pizzaiolo
 
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Default Re: linning a webber with refractory material

You can form a mould from damp sand then cast over it. Remove the sand when it has set .
What d I'd you end up using for your mix? Did you also insulate it? Please share we're all interested.
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  #15  
Old 10-24-2011, 10:00 AM
Apprentice
 
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Location: ohio
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Default Re: linning a webber with refractory material

i an using the solid flue. the mason that i know is the distributor and can use it anyway he wants.we took the oven to a party friday and cooked 25 pizzas with only adding one log every third pie. this was just a quick throw together project that cooks as good as my primevera 70 which i love very much.the solid flue is a very thin product a two sided mold would work best.i think i would be expensive to have made.linning a webber with refractory material-img_3767.jpg
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  #16  
Old 10-24-2011, 10:04 AM
Apprentice
 
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Location: ohio
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Default Re: linning a webber with refractory material

pizza cooked from the oven on friday nightlinning a webber with refractory material-img_3784.jpg
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