CRUSHED STONE CRUSHED STONE
Reference onlyCrushed Stone (1.5″ To 3″, 21Aa, Limestone)
21Aa limestone crushed stone in a 1.5" to 3" size range is a durable aggregate produced by mechanically crushing limestone rock. This material features angular, interlocking pieces that provide excellent stability and load-bearing capacity. The 21Aa designation indicates a well-graded mix, which means it contains a blend of stone sizes within the specified range, enhancing compaction and structural integrity.
Also called
If a contractor or a spec sheet handed you one of these names, this is the rock they mean.
What people call it
Ask for crushed stone and we'll know what you want. If you have a spec number, give us that instead and we'll match it.
What people use it for
- Driveway base
- Road construction
- Drainage layer
- Erosion control
- Foundation fill
We don't stock this — here's what we deliver
3/4" Crushed Stone
3/4" crushed stone is angular stone at the size most driveways and drainage projects call for — big enough to shed water, small enough to spread with a rake.
See delivered price →#57 Crushed Stone
#57 crushed stone is angular 3/4-inch stone that drains fast and locks together, not something you'd walk on barefoot.
See delivered price →Crushed Stone next to what it gets confused with
| Rock | Size | Shape | Where it wins | Can we deliver it |
|---|---|---|---|---|
| Crushed Stone (1.5″ To 3″, 21Aa, Limestone) | 1.5" To 3" | Angular | Driveway base | Reference only |
| Crushed Stone | — | Angular | — | Reference only |
| Crushed Stone (#1 Minus) | #1 Minus | Angular | — | Reference only |