Piedra Caliza

Tim, one of our readers, left a comment about the materials in southern Mexico (60 miles east of Mexico City in the state of Tlaxcala, just outside the state capital) where he’s planning to build an earthbag home. It turns … Continue reading →

Geopolymer Pavers

This new idea comes from two recent blog posts. If you haven’t already done so, be sure to read the blog post about How They Built the Pyramids. Geopolymer is a subject I’ll be returning to again and again because … Continue reading →

Earthbag Stone Dome

Yesterday’s video about How the Pyramids Were Built shows how loose limestone can be turned to stone. This method seems easier and simpler than using MICP, don’t you think? This seems like a good time to experiment with geopolymer cast … Continue reading →