AGGREGATE BASE COURSE
We deliver itAggregate Base Course (Class 4, Subbase)
Aggregate Base Course in a Class 4 size range, designated for subbase applications, is a well-graded blend of crushed stone, gravel, and fines. This material is engineered to provide a stable foundation layer beneath pavements, concrete slabs, and roadways. The Class 4 specification ensures a balanced mix of particle sizes, optimizing compaction and load distribution.
See what Aggregate Base Course costs, delivered
Enter your ZIP and mobile number. We'll text you a delivered price for Aggregate Base Course. The truck comes to you.
This grade isn't in the online catalog. Send your ZIP and we'll text you a delivered price.
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
Yard and spec names
Ask for aggregate base 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
- Road subbase
- Driveway foundation
- Parking lot base
- Pathway support
- Construction fill
Aggregate Base Course next to what it gets confused with
| Rock | Size | Shape | Where it wins | Can we deliver it |
|---|---|---|---|---|
| Aggregate Base Course (Class 4, Subbase) | Class 4 | Angular | Road subbase | We deliver it |
| Aggregate Base Course | — | Angular | — | We deliver it |
| Aggregate Base Course (#1 Minus, Vdot) | #1 Minus | Angular | — | We deliver it |