
Base Aggregates
Common Sizes
1-1/2" and Smaller; Other DOT Sizes Available
Base aggregates are a foundational material in road construction, site development, and infrastructure projects where stable, well-graded support is essential. Produced at Martin Marietta facilities, our base aggregates deliver the density and load-bearing strength your project demands.
Designations

Base

Base Course

Graded Base Course

Aggregate Base Course
Why Base Aggregates
Base aggregates are selected when structural support, reliable load distribution, and long-term stability are essential to the success of a project.
Compared to finer materials, base aggregates provide superior load-bearing capacity and drainage performance across a wide range of civil and infrastructure applications. Their angular, interlocking particle structure resists shifting and settlement under both light and heavy-duty construction demands.
Common Applications
Base aggregates are commonly used in:
- Road Base & Sub-Base
- Parking Lot Base
- Driveway Base
- Foundation Fill
- Utility Trench Backfill
- Drainage Layer
- Concrete Sub-Base
- Retaining Wall Backfill
- Pipe Bedding
(Availability and applications may vary by location.)
Find Base Aggregates Near You
Key Characteristics
While specifications differ by facility and application, base aggregates typically offer:
- Angular, interlocking particle shapes for stability
- High load-bearing capacity under heavy traffic
- Well-graded gradation for tight compaction
- Excellent drainage and permeability control
For project-specific requirements, availability, or guidance, connecting with a local facility is recommended.
Product Calculator
Estimate the materials you need for your project with our interactive calculator.
Product Calculator

Note: This calculator provides estimates only. Actual material requirements may vary. Please consult with a Martin Marietta representative for precise project specifications.
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