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Links to Information about Concrete

The Portland Cement Association's Website provides excellent information on the following topics. Go to the Portland Cement Association's website. Look under FAQ.

  • What is the difference between cement and concrete?
  • How is portland cement made?
  • What does it mean to "cure" concrete?
  • Can it be too hot or too cold to place new concrete?
  • What is air-entrained concrete?
  • What are recommended mix proportions for good concrete?
  • Why does concrete crack?
  • How can you tell if you're getting the amount of concrete you're paying for?
  • Why do concrete surfaces flake and spall?
  • What does 28 -day strength mean?
  • What is 3,000 pound concrete?
  • What are the decorative finishes that can be applied to concrete surfaces?

ISG Resources presents the following information about fly ash.

  • What is Fly ash?
  • Why Use Fly Ash In Concrete?
  • Why a homeowner, contractor, municipality, specifier, architect, or engineer would use fly ash.

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