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How thick need to my concrete garage foundation be?With regular soil disorders, 4" (100mm) concrete over four" (100mm) clean very well compacted hardcore blinded with 2" (50mm) perfectly compacted sand or ash needs to be ample. The perimeter must be thickened to a least 10" (250mm) by ten" (250mm), below floor level. To raise the strength of The bo

How thick ought to my concrete garage foundation be?With ordinary soil ailments, 4" (100mm) concrete around 4" (100mm) clean perfectly compacted hardcore blinded with two" (50mm) properly compacted sand or ash should be ample. The perimeter really should be thickened into a bare minimum ten" (250mm) by 10" (250mm), down below floor level. To increa