Dense-graded base course pertains to aggregates featuring a variety of particle sizes, typically 1-1/2-inch and smaller, creating a compact stone layer with minimal gaps. Its main applications are in pavement and construction projects.

Common Uses
• Foundation for asphalt pavement
• Foundation for concrete pads and pavements
• Unpaved roads and shoulders
• Backfill for pipe and underground utilities
• Cement-treated base

Sizes and Designations
Sizes and designations vary by location due to governing agency requirements.
Common designations include, but are not limited to: Base, Subbase, Dense Graded Base