A Factsheet from Austin Energy's Green Building Program: Fly Ash

Publication Type:
Fact Sheet

Published / Updated:

Fly ash, a by-product created by burning coal, can be used as a supplement to, and a partial replacement of, portland cement in concrete. On average, 30 percent of the fly ash produced in the United States is recycled into concrete mixes thereby reducing disposal requirements. Reduction of energy costs and pollution resulting from the production of portland cement is an added benefit of using fly ash.

Download this fact sheet to learn about:

  • Benefits and challenges of putting fly ash in concrete
  • Effects of fly ash on concrete finishing
  • Fly ash in concrete finish flooring
  • Seasonal adjustments for fly ash content
  • Resources for information and suppliers

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