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8″ Footing Form

DarrenAB | Posted in General Discussion on January 27, 2021 04:05pm

The plan calls for a 8″ thick footing.  Is that nominal meaning I can use a 2×8 (7 1/4″ thick) form?  Or do I need a 2×10 giving me a 9 1/4″ footing?

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  1. User avater
    UncleMike42 | Jan 27, 2021 04:27pm | #1

    You can dig below the bottom of the form boards, or space them on some 3/4 inch (1x whatever)

    I like the dig a bit, helps make sure the footing is on undisturbed soil. If you have compacted a suitable base, you can space the form,and use some sand or dirt on the outside to help seal the bottom and help support the form.

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