Old 06-14-2014, 03:16 PM
Join Date: Sep 2012
Location: Upstate NY
Posts: 8
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
UtahBeehiver's Avatar
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Join Date: May 2012
Location: Salt Lake City, Utah
Posts: 1,552
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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Location: Minneapolis, MN USA
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Default Re: Help with heat insulation

Originally Posted by jay29 View Post

How much heat will I lose?

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