What aggregate means
Aggregate is the sand, gravel or crushed stone mixed into concrete and used as base under slabs and pavers.
Also called gravel, crushed stone.
Where it matters on a concrete job
Base aggregate is ordered by the ton or yard and compacted in layers. Getting base depth and compaction right is what keeps slabs and patios from settling.
What it costs
The concrete slab cost guide has the typical job at $5,100 and the usual range at $2,800 to $7,350. The guide shows its sources and what moves the price. The concrete slab cost calculator prices a job line by line.
Work it out
- Free calculator: Concrete slab cost calculator
- Cost guide: Concrete slab cost
- Tools, templates and guides: Free concrete resources