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Re: Firebrick thickness question
From the WFO board
Posted by John K
In Reply to: Firebrick thickness question posted by DarrelW
The firebricks that we have in the San Francisco Bay Area run about 2.5"x4.5"x9". In looking at the thickness of the bricks, please remember that you will be placing them on their sides, so this would give you 4.5" of firebrick before you get to the concrete hearth slab (I made mine 3.5" before the insulating concrete). I sure do think that this should be enough.
In terms of the various fire brick sizes that this does not allow you to have three horizontal layers on the sides equal to one vertical layer as Rado does. To compensate for this, I had to lay all of my wall bricks down vertically.
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