Author Topic: Clay bricks vs fire bricks  (Read 434 times)

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Offline bhopper

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Clay bricks vs fire bricks
« on: November 05, 2013, 05:09:18 PM »
Do old clay bricks have the same heat conductivity as fire bricks? Will they hold heat just as long as fire bricks? Will a rectangular structure last longer then a dome structure?


Offline stonecutter

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Re: Clay bricks vs fire bricks
« Reply #1 on: November 05, 2013, 05:25:12 PM »
They will not hold up to the thermal cycling very long...so thermal conductivity is a moot point. 

 A vault or dome have their own structural merits, how long they last is a loaded question with a ton of variables that have to do with the builder, materials, location and use. 

Bottom line, properly built they will both last a very,very long time.
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Look at a stone cutter hammering away at his rock, perhaps a hundred times without as much as a crack showing in it. Yet at the hundred-and-first blow it will split in two, and I know it was not the last blow that did it, but all that had gone before.
Jacob August Riis

Offline bhopper

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Re: Clay bricks vs fire bricks
« Reply #2 on: November 05, 2013, 05:34:13 PM »
Thanks stone. Thats what I was afraid of. I figured they couldnt handle the heat cycles therefore crack or break.  I just found some relatively cheap, but i guess you get what you pay for.

Offline stonecutter

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Re: Clay bricks vs fire bricks
« Reply #3 on: November 05, 2013, 06:29:26 PM »
You're welcome..... you can always use them for your finishes if you build an oven. 
http://oldworldstoneandgarden.com/

Look at a stone cutter hammering away at his rock, perhaps a hundred times without as much as a crack showing in it. Yet at the hundred-and-first blow it will split in two, and I know it was not the last blow that did it, but all that had gone before.
Jacob August Riis