TOP COURSE
We deliver itTop Course (5/8″, Top Course)
5/8" Top Course aggregate is a crushed stone material specifically graded to a 5/8-inch size, making it ideal for use as a top layer in road and driveway construction. Produced by mechanically crushing larger rocks, this material features a blend of angular particles and fines, which allows for excellent compaction and a stable, smooth surface.
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 top course 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 surfacing
- Pathway base
- Road repair
- Patio foundation
- Walkway construction
We deliver top course
#89 Crushed Stone
#89 crushed stone is small angular stone, about 3/8-inch and down, spec'd for locking under pavers or over a French drain.
See delivered price →3/8" Crushed Stone
3/8" crushed stone is the small end of angular driveway stone — packs tighter than #57 and gives a smoother-looking finish, but drains slower.
See delivered price →Top Course next to what it gets confused with
| Rock | Size | Shape | Where it wins | Can we deliver it |
|---|---|---|---|---|
| Top Course (5/8″, Top Course) | 5/8" | Angular | Driveway surfacing | We deliver it |
| Top Course (5/8″ Minus, Top Course) | 5/8" Minus | Angular | — | We deliver it |
| Top Course (5/8″, Basalt, Top Course) | 5/8" | Angular | — | We deliver it |
Questions people ask
What is Top Course used for?+
What size is Top Course?+
Where can I get Top Course?+
How much top course do you need?
The calculator lives on the #89 crushed stone product page — prefilled with a sensible depth and delivered price by ZIP.
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