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Geopolymer cements; use for home construction?


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By Grant in Blacksburg, VA on 10/16/2008


I'm very interested in the potential of geopolymer cements for construction purposes.  They have significantly less embodied energy than Portland cements.  They use waste by-products and keep them from going to the landfill.  Because of the low cost and relatively plentiful waste products used, they are quite affordable.  And they can be designed to have comparable or superior structural performance to Portland cements. 

So why, after nearly 40 years of research, have they not found their way into common construction use?  They are still being "researched" in labs around the world.

Why couldn't a geopolymer cement be used in a poured concrete wall system to build homes?  What am I missing?  What is preventing code approval and use?

Regards,

Grant


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