TOP COURSE
We deliver itTop Course (5/8″ Minus, Top Course)
Top Course aggregate in a 5/8" minus size range is a premium, well-graded crushed stone blend designed specifically for surface layers in road and driveway construction. The "minus" designation means the material includes both 5/8" stone and smaller particles, including fines, which help bind the aggregate together for a compact, stable finish.
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
- Pathways
- Driveways
- Base material
- Erosion control
- Landscaping
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″ Minus, Top Course) | 5/8" Minus | Angular | Pathways | We deliver it |
| Top Course (5/8″, Basalt, Top Course) | 5/8" | Angular | — | We deliver it |
| Top Course (5/8″, Top Course, Recycled, Concrete) | 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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