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Pizza Stone

tiles food baking slabs

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#1 TJR

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Posted 26 April 2014 - 08:49 AM

A customer is asking for a pizza stone.This is a large slab tile used in an oven to bake a pizza.

The question; Is a bisque tile good enough or do you have to fire it to stoneware? Should it be porous, or should it be vitrified?

Anyone make these babies?

Not to be confused with the Rossetta stone, which is another animal altogether.

TJR.



#2 Benzine

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Posted 26 April 2014 - 09:03 AM

Those I have seen, sure appear to be an unglazed, vitrified stoneware.

I've also seen some made for use on a grill. I would imagine, that with direct heat, they'd have to be a different body, to handle that.
"Anything worth believing, is worth questioning"

#3 Marcia Selsor

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Posted 26 April 2014 - 09:41 AM

They seem like electric kiln shelves to me.

Marcia

#4 Colby Charpentier

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Posted 26 April 2014 - 09:57 AM

The Pampered Chef manual for their stoneware pizza stone lists these properties:

 

  • No preheating — just place food on Stoneware and cook. (Dense frozen foods like meat should be thawed first.)
  • Absorbs and retains heat for even baking and golden crusts.
  • Draws moisture away from food so it cooks light and crispy.
  • Virtually nonporous, so it doesn’t retain oils, odors or flavors.
  • Microwave-, freezer-, conventional and convection oven-safe.
  • Nonstick “seasoning” builds up with every use: the darker it looks, the better it cooks!

 

I've always been a little confused about how it draws moisture away from food and builds up "seasoning' while it is "virtually nonporous" and "doesnt retain oils, odors or flavors." I think there's a little confusion about what properties the pizza stone actually has.

 

Honestly, I would purchase one of these before taking the time to research a good oven-safe body that's going to behave well. The (PC) version sells for $30.



#5 Joy pots

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Posted 26 April 2014 - 10:10 AM

I have made several pizza stone with a cone 6 stoneware body fired to cone 6 unglazed. I've used them on the barbecue & in the oven.
Season a few times to prevent sticking with your choice of oil & never wash with soap.

I've never put frozen pizza on one but I'd advise against it.

Joy

#6 Benzine

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Posted 26 April 2014 - 10:15 AM

Colby,

That list of "features" reminds me of when I started seeing commercials, for the "Stonewave" cookware last summer. It is simply a stoneware, lidded bowl, with a handle, but they made it sound like it was some revolutionary, new invention.

It kind of makes me want to do a spoof video, where I go to a garage sale, find a nice, old stoneware bowl, and do the exact same things they show in the commercial. "Yes, it's true folks, you have been able to do all these things, since forever!"
"Anything worth believing, is worth questioning"

#7 Min

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Posted 26 April 2014 - 11:37 AM

I think that this is one of those orders that are more trouble than it's worth. Since pizza is baked pretty much as hot as a home oven will go the stone would have to survive the inversion point which it would be going through fairly quickly every time it’s used. A body similar to a stove-top one would be the safest bet, low expansion. I bought my mom a small round kiln shelf for bread baking, it has held up fine but I don't think it goes above 400.

 

I used to make brie bakers, put a card with each one saying to heat it with the oven with the cheese inside. Had a customer phone me up saying hers had cracked. She had put a frozen puff pastry wrapped brie in it then placed it in a 450 oven. Lesson learned, doesn't matter what I say to a customer, they will do whatever they like with the pot.



#8 Mark C.

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Posted 26 April 2014 - 01:18 PM

I fired one to bisque temp to burn off spilled wax for a friend last year
It was made from the exact same stuff as electric kiln shelves
You could saw with a wet or dry diamond saw a shelve down to size.
This material is not what one would think of as clay based .
High in kyanite and mullite.
Mark
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#9 Tyler Miller

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Posted 26 April 2014 - 02:10 PM

If I were to make a pizza stone for my own personal use, I'd use terracotta fired to cone 010-08.  I'd never sell that, though, would be asking for trouble, I think.

 

I have to agree with those who've observed that the commercial ones are a lot like electric kiln shelves.  The one I have is nearly identical to a 12" round kiln shelf.



#10 Babs

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Posted 26 April 2014 - 10:35 PM

Maybe talk to your customer about being a trial and give her/him a couple to try on the condition you get feedback on them before yuou make a whaleton.. if you feel this is gonna be a line you take up. :)

Would a thrown compressed disc be stronger than a tile formed stone?

Used to be a ware made by Schlemmertopf unglazed earthenware, roughly the shape of a chicken and ,yes, you put the whole horking chook into it and straight into a hot oven, had one for years till I dropped the lid.

Maybe not the extremities of a woodfired pizza oven but did ok in an electrical or woodoven.

Bread baked at 220deg C whatever that is in oldspeak!



#11 Mark C.

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Posted 26 April 2014 - 10:42 PM

I,m with Min on to much of a pain in the neck
Unless you want to cut up some kiln shelving
Saying no is ok as I get older I,m starting to use it more.
Mark
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www.liscomhillpottery.com

#12 williamt

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Posted 26 April 2014 - 11:30 PM

This is kinda backward to what your asking.
I've bought pizza stones at thrift stores. Fire them to 04 to clean them up. Seem to do ok at that temp so I use them as bisque shelves.
I have fired some to 6 and they tend to warp some. I think it is more that they are thinner than regular shelves.

They appear to be made of regular buffy clay and vitrified. Probably some extra grog or something for thermal shock. I have read somewhere that they are made in some type of ram press.

Maybe this info will be helpful.
Lee Tucker
Black Kitty Pottery
http://www.blackkittypottery.com

#13 TJR

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Posted 27 April 2014 - 01:21 PM

Hey guys and gals;

Thank-you for your responses.

I made four approx.14 inches square. I was only going to make two, but my wife happened to come into the studio, and said;"Make a couple for us."

This was a bad mistake letting  her into the studio.

These puppies suck up a lot of clay, so I can't see them becoming part of my regular line. They are 1/2 inch thick, formed in a wooden frame.Take probably 10 to 15 lbs of clay.

I'll let everyone know how they turn out.

Drying them on a bed of silica sand.

Tom.



#14 neilestrick

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Posted 27 April 2014 - 02:38 PM

Pizza stone = kiln shelf


Neil Estrick
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#15 perkolator

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Posted 28 April 2014 - 01:07 PM

i've made several pizza stones for our studio (we occasionally make pizza in the front-loading gas kiln).  just made slabs from our regular sculpture body (stoneware) and fired them to ^6.  also have some fired to ^04 and they both work the same.  we toss them into the kiln at around 900*F and they cook VERY fast!  just watch your eyebrows when you go to retrieve them, lol...that's why a pizza peel is also a good thing to make while you're at it :D

 

I have seen "pizza stones" in a store once that looked exactly like a round high alumina electric kiln shelf - my guess is it actually is a kiln shelf that costs more because it's now a "pizza stone".



#16 nicolesy

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Posted 18 June 2014 - 03:35 PM

I used to make brie bakers, put a card with each one saying to heat it with the oven with the cheese inside. Had a customer phone me up saying hers had cracked. She had put a frozen puff pastry wrapped brie in it then placed it in a 450 oven. Lesson learned, doesn't matter what I say to a customer, they will do whatever they like with the pot.

You could always make a custom stamp with instructions that you could stamp into the bottom. :)


Nicole S. Young  |  http://ceramics.nicolesy.com


#17 Chantay

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Posted 19 June 2014 - 10:55 PM

Pamper chef lies. I have had at least six of these. Great to cook on. If you don't preheat them, after about 20 uses they crack. I think I'm going to make one with a raised edge. Good for greasy food.


- chantay

#18 Diane Puckett

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Posted 24 June 2014 - 04:17 PM

Williams Sonoma has a variety of pizza stones on their website. Several are cordierite ceramic.
Diane Puckett
Dry Ridge Pottery

#19 Mark C.

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Posted 24 June 2014 - 05:09 PM

(I'll let everyone know how they turn out.

Drying them on a bed of silica sand.

Tom.)

 

well they must be cooking pizza by now??

I can see it now tomatoes with silica sand garnish

yum

 

 

Mark


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www.liscomhillpottery.com

#20 Babs

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Posted 24 June 2014 - 06:43 PM

TJR are you buildinga clay pzza oven as well as making those stones?? Better speed up before winter is upon you! Winter here I'm trying to adapt to day temps of 15deg C







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