21AA Crushed Concrete

21AA crushed concrete is recycled concrete processed into compactable driveway aggregate.
It is one of the most popular driveway materials in many parts of Michigan because of its durability and cost-effectiveness.
Advantages:
- compacts very tightly
- often produces less dust than limestone
- extremely durable
- cost effective
- excellent for high traffic areas
- strong structural performance
Potential drawbacks:
- appearance is less uniform
- may contain color variation
- occasionally contains small recycled fragments
Crushed concrete is commonly used for:
- driveway restoration
- private roads
- parking areas
- long rural driveways