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Crushed Granite In Concrete For Building

Apr 01 2015 Crusher run gravel compacts well but does not drain very fast at least not as fast as 3 4 inch crushed stone (no fines) Talk to a soils engineer if you are worried but in my experience either crusher run gravel (compacted) or 3 4 inch crushed stone can be used under footings So can rigid foam An engineer may disagree