Stone Dust is sold by the ton.
Stone Dust is a byproduct of the crushing process in which other (such as ¾” and 3/8” driveway stone) comes from. It is used primarily for a setting layer in setting patio pavers or flagstones in place of concrete sand. Some other uses for stone dust is in horse barns as a stable surface for horse areas. It is also used as a filler between large pieces of flagstone.
1 Ton will cover approximately 100 sf. 2” deep. If compacting by hand or mechanically, coverages and depth may be affected.