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Old 01-13-2010, 04:06 PM
Peasant
 
Join Date: Jul 2007
Location: Seattle wash.
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Default Insulating Italian Hearth Bricks MT.Vesuvius ?

There is a local Craig listing on some one trying to sell some insulating bricks imported from Italy supposedly made from Mt.Vesuvius ash?Any one heard of these type of bricks.They are 4 in. thick by 10 wide by 14 long.Was thinking about getting a few for any future oven builds to use as a sub layer.Thanks for any info.
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Old 01-13-2010, 06:40 PM
dmun's Avatar
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Default Re: Insulating Italian Hearth Bricks MT.Vesuvius ?

Unless they're close to free, I'd avoid mystery mystery substances as insulation. They could be great, they could be volcanic tufa, or they could be pressed toxic waste. Without a material data sheet from the manufacturer, you'd never know.
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Old 01-13-2010, 08:30 PM
Peasant
 
Join Date: Jul 2007
Location: Seattle wash.
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Default Re: Insulating Italian Hearth Bricks MT.Vesuvius ?

I was thinking the same thing.Bricks have no manf. marks,or like you say data on them.So it's a crap shot.Thanks for the input.
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