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Aggregates (Gravel & Crushed Stone)

Coarse material mixed with cement and sand to form concrete.

Used for

  • Concrete for foundations, columns, slabs
  • Road and driveway base

Quality considerations

  • Aggregate size should match the structural application — your engineer's specification should guide this, not guesswork.
  • Clean aggregate (free of soil and organic debris) produces stronger concrete.

Common mistakes

  • • Using dirty or poorly graded aggregate to save cost, which reduces concrete strength.

Priced per truckload; varies by aggregate size and source distance.

Figures shown are indicative estimates for planning purposes only, not guaranteed market prices. Confirm current costs with a quantity surveyor and local suppliers before finalizing a budget.