#1  
Old 12-26-2010, 01:52 AM
Serf
 
Join Date: Dec 2010
Location: Australia
Posts: 1
Default Hearth materials

Can i use 20mm marble or granite, as floor of oven. Maybe be even porcelain floor tiles over concrete?
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  #2  
Old 12-27-2010, 05:43 PM
Apprentice
 
Join Date: Jul 2010
Location: Jacksonville,Fl
Posts: 166
Default Re: Hearth materials

I have read on this forum that those stones do not make a good hearth. Use very big firebrick tiles. Like 12x12x2. Or even better, get soapstone. Get it in big thick sheets. There are a couple of members here who did. It is supposed to be like 6 times better than firebrick. Use the fancy stone for the vent landing.
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  #3  
Old 12-27-2010, 06:00 PM
Il Pizzaiolo
 
Join Date: Nov 2006
Location: San Antonio
Posts: 1,719
Default Re: Hearth materials

You can use anything you want. The results you get, the lifespan of the material, and the pain of replacing it may (or may not) wish you followed tradition.
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Old 12-27-2010, 06:35 PM
GianniFocaccia's Avatar
Il Pizzaiolo
 
Join Date: Jun 2009
Location: Disneyland, CA
Posts: 1,508
Default Re: Hearth materials

I don't know about marble, but under direct heat, granite starts to spall, or explosively disintegrate causing large crystals to pop off. This rugged finish is attractive for stone steps but certainly not for keeping your pizzas and other food clean.
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  #5  
Old 12-27-2010, 08:39 PM
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Il Pizzaiolo
 
Join Date: Mar 2007
Location: Townsville, Nth Queensland,Australia
Posts: 4,859
Default Re: Hearth materials

Soapstone also abrades very easily, it is the softest rock you can get. Also known as talc stone it is talcum powder when crushed up.
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