Lets see is the house single, two or more stories?
What is the soil like?
How big and how deep is the footer?
Where I live that is called a stem wall, which is part of the foundation.
What do your building plans call for?
What does the AHJ call for?
I have seen both on houses. 8 inch is more common on single story homes in
Now days no one uses block for stems. They all use engineered slabs.
Most are fine with 8" but don't ask here, ask your building inspector. He
will know what you can do in your locality. Why use block at all? Why not
pour an insulated foundation, or even an insulated concrete house?
Save a bundles of energy forever. www.standardicf.com www.polysteel.com
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