What Is Concrete Made out of?

Answer

Concrete is a composite construction material. It is composed of cement and other cementitious materials such as fly ash and slag cement, limestone, water and chemical admixtures.
2 Additional Answers
Ask.com Answer for: what is concrete made out of
Concrete is composed of cement (limestone, alumino-silicate, calcium sulfate), fly ash, an aggregate, water and other chemical admixtures.
Concreate is often made of water, cement, sand, gravel in a ratio conforming to the use it is to be applied.
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