How To Calculate How Much Crushed Stone I Need
How to Calculate How Much Crushed Stone I Need. Crushed stone can beautify your landscaping and help reduce weeds. Walkways should have at least a 2-inch depth of stone, set on top of 2 inches of packed sand. Other areas may require anywhere from 1 to 6 inches of stone depth, depending on how much erosion you expect and the area's purpose. Use thinner layers of 1 to 2 inches for a groundcover around plants and stones, crushed to 1/2 inch or smaller. Choose thicker depths for rock gardens or larger pieces of crushed stone.
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