Green Cement?

Geopolymers (coined by joseph davidovits) and the broader alkali-activated cements are possible alternatives to cement. Check out this video where they reproduce the pyramid blocks.

In New York and Brooklyn a lot of cement gets used to make concrete cellar floors. As a green contractor we are always looking for an alternative. We have made earthen floors which work great.

We are looking into alkali activated cement. It looks very promising.

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3 comments on “Green Cement?
  1. mom says:

    Looks like it is coming along well, but that is a big job. Hey, who is that handsome guy in the yellowish/tan shirt.

  2. John says:

    Gennaro, have a look at this interesting look at the use of “hempcrete” in Ireland.

  3. Gennaro Brooks-Church says:

    There are several pages discussing various kinds of cement in “Heat: How to Stop the Planet from Burning”, by George Monbiot. He mentions geopolymer cement, as well as pozzolan cements used by the Romans. A website reference he gives in the notes is the following: I hope it is of interest to you.

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