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Old 06-14-2014, 03:16 PM
Serf
 
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Location: Upstate NY
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Default Help with heat insulation

I bought FB Board 36242 as insulation under the floor of Pompeii oven. The firebricks around it will be on the uninsulated top.

How much heat will I lose?

Should I pour an insulation layer around the floor and then place the first layer of bricks on that?
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Old 06-14-2014, 03:57 PM
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Default Re: Help with heat insulation

You need to insulate the dome wall from the concrete hearth or the hearth will act as heat sink. Can't you extend the FB board under the dome wall? This is the area where you want to do it right.
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Old 06-15-2014, 07:31 AM
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Default Re: Help with heat insulation

Quote:
Originally Posted by jay29 View Post

How much heat will I lose?
LOTS AND LOTS OF HEAT WILL BE LOST......

The heated parts of the oven should only touch insulation. As much as is possible.
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