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Stack of large stones with a clear sky background
Pile of large gray stones on a dirt surface
Stack of large gray stones with some greenery around them
Pile of large gray stones with a clear sky background
Gray stone block on a bed of smaller stones and pebbles
Stack of large stones with a clear sky background
Pile of large gray stones on a dirt surface
Stack of large gray stones with some greenery around them
Pile of large gray stones with a clear sky background
Gray stone block on a bed of smaller stones and pebbles

Salt & Pepper Granite Boulders

Featuring a timeless speckled mix of black and white minerals, these dense boulders are exceptionally durable for use in retaining walls and high-traffic areas.

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Materials Calculator

These calculators are designed to give approximate amounts only. They will help you determine the quantity you need; however, variations in subgrade, compaction of subgrade, or inaccurate measurements, even a quarter of an inch of depth, can make a difference.

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For gravel and decorative rock, these are recommended depths assuming normal conditions:
1 inch and below need to be around 2 inches deep, 1.5–2 inch gravel should be 3 inches, and 2–4 inch should be 4 inches deep.
The bigger the gravel size, the deeper it needs to be for good coverage.


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