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CoGripedia your encyclopedia of terms used in the industrial flooring industry.

Fine Aggregate


Fine aggregate is used in multiple construction applications, including concrete construction.

Technical Information

Most commonly, sand is used as fine aggregate in the construction industry as it is a relatively inexpensive material. By definition, fine aggregate particles pass through a 9.5mm sieve.

Fine aggregate is mixed with coarse aggregate, cement and water to make concrete.

High fine aggregate content has the following effect on concrete properties:

  • Increases the amount of cement required to make the fresh concrete workable. This also happens when the average diameter of the fine particles is reduced.
  • Reduces the rate of bleed in a floor slab. This makes it more difficult to judge when to finish the surface.
  • Increase water demand to the concrete mix.
  • Increases resistance to freeze-thaw.


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