AGGREGATE BASE COURSE
We deliver itAggregate Base Course (1.5″ Minus, Penndot, Subbase)
Aggregate Base Course in a 1.5" minus size, specified as Penndot Subbase, is a well-graded blend of crushed stone and fines designed for superior compaction and stability. The "1.5" minus" designation means the largest particles are 1.5 inches in diameter, with smaller particles and fines filling the gaps. This gradation ensures a dense, interlocking structure that resists shifting and settling.
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 construction
- Structural fill
We deliver aggregate base course
Road Base
Road base is crushed stone blended with fines that compacts into a load-bearing pad — the layer that goes under a driveway or slab, not the surface you see.
See delivered price →Crushed Concrete
Crushed concrete is old slab and pavement run back through a crusher — angular and load-bearing like fresh crushed stone, cheaper because the feedstock is reclaimed.
See delivered price →Aggregate Base Course next to what it gets confused with
| Rock | Size | Shape | Where it wins | Can we deliver it |
|---|---|---|---|---|
| Aggregate Base Course (1.5″ Minus, Penndot, Subbase) | 1.5" Minus | 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 |
Questions people ask
What is Aggregate Base Course used for?+
What size is Aggregate Base Course?+
Where can I get Aggregate Base Course?+
How much aggregate base course do you need?
The calculator lives on the road base product page — prefilled with a sensible depth and delivered price by ZIP.
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