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FDOT base rock is a high-quality, dense-graded limestone aggregate manufactured to meet Florida Department of Transportation requirements for roadway, commercial, and infrastructure construction. The material typically contains a controlled blend of crushed limestone, smaller aggregate, and fines ranging from stone dust up to approximately 1.5 inches.
Its balanced gradation allows the particles to fit together closely during installation. The larger stone provides structural strength, while the smaller particles and fines fill internal voids and help the material compact into a dense, stable foundation beneath paved surfaces.
When properly placed, moisture-conditioned, graded, and mechanically compacted, FDOT base rock develops dependable load-bearing capacity and helps resist rutting, shifting, and settlement. This makes it especially valuable beneath roads, highways, parking lots, driveways, concrete slabs, and other surfaces exposed to repeated traffic or structural loads.
Unlike clean drainage stone, FDOT base rock is designed to compact firmly rather than leave open spaces between particles. Its dense structure distributes weight across the prepared subgrade and creates a consistent transition between the underlying soil and the finished pavement layer.
Because it is produced for specification-driven construction, FDOT base rock offers more consistent gradation and performance than general-purpose crushed stone. It is commonly selected for public works, commercial developments, subdivision roads, industrial sites, and private projects that require a durable aggregate base.
Its combination of compaction, structural support, and long-term stability makes FDOT base rock a dependable material for contractors, developers, municipalities, and property owners preparing foundations beneath asphalt, concrete, and other paved installations.
Common Applications of FDOT Base Rock
- Road and highway sub-base construction
- Driveway and parking lot base
- Foundation layer beneath asphalt
- Base preparation beneath concrete slabs
- Commercial access roads
- Building pads and structural base preparation
- Subdivision and development roads
- Industrial yards and paved work areas
