Cornerstone
    (803) 480-1454

    Premium Aggregates

    High-grade sand, gravel & crushed stone for durable mix designs.

    Licensed & Insured
    20 Years Experience
    Free Estimates
    5-Star Rated

    Weak aggregates crack foundations before they cure

    Substandard sand and gravel shrink, crack, and fail load tests — turning a pour into an expensive redo. We supply ASTM-graded aggregates sourced from tested quarries across the Augusta region, so your slab, footing, or driveway reaches full design strength. Every load is screened for gradation and deleterious material before it leaves our yard.

    Premium Aggregates in Action

    See the quality of our material and delivery.

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    What's Included

    ASTM-Graded Material

    Every batch meets ASTM C33 gradation specs for strength and workability.

    Quarry-Direct Quality

    Sourced from vetted regional quarries with full mill test reports available.

    Bulk or Bagged

    Order by the ton for large jobs or by the pallet for smaller jobs.

    Material Calculator

    How Much Material Do You Need?

    Enter your project area and desired depth to estimate cubic yards and tons required.

    Cubic Yards

    Estimated Tons

    Estimates are approximate and based on compacted density. Actual quantities may vary with site conditions and compaction. Call us to confirm your exact order.

    How It Works

    From quote to delivery in four simple steps.

    01

    Request a Quote

    Call or submit a request online and tell us what material and quantity you need.

    02

    We Confirm & Schedule

    Our team confirms availability, pricing, and a delivery window that fits your job.

    03

    Material Delivered

    Our fleet delivers clean, spec'd material right to your site, placed where you need it.

    04

    You Build with Confidence

    Grade, compact, and pour knowing your material meets spec and was delivered on time.

    Premium Aggregates — FAQ

    Don't Wait for a Delayed Delivery to Discover a Better Supplier

    Get your material quote in minutes. Same-day delivery available across the CSRA.