Bill&Julie wrote: > Stem wall for cob,,, anyone ever hear of http://www.geopolymer.org/ > > Looks expensive :( >According to these guys, Geopolymer is the stuff that the Pyramids >were made from... I am still looking for a reciepe... > No, dissolved rock: http://www.geopolymer.org/library_papers/download_papers_files.shtml Look for "Making Cements With Plant Extracts" I'll get around to this later ;) beno