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Stone Footing Guidelines For A Superior Walls Basement
Use clean, crushed stone washed gravel, or coarse sand 1/2" AASHTO #8 is recommended Evenly grade the stone to a +/- 1"
Be sure that enough stone is on hand for use in final grading by the Superior Walls installation crew The depth of the stone may vary due to soil type, frost depth, and the amount of wall load

Please consult with your Superior Walls sales representative for specific details concerning the stone footing for your basement