My Stone Dome rating keeps goes up and down. It’s been in the top 10 lately. There’s still time to vote if you haven’t already. But the larger picture is far more important. I think geopolymer is a million dollar idea. Most houses fall apart in a few decades, need constant maintenance and are made … Read more
Major Breaking News. Tim, one of our readers, sent me some information the other day that explained how Bill McNulty has patented the process of making cast stone using natron salt (sodium carbonate) mixed with powdered granite, limestone, basalt, schist or sandstone mixed with water. This is a slightly different method than proposed by Professor … Read more
We’ve been discussing Professor Joseph Davidovits cast stone research at the Geopolymer Institute in hopes of applying this concept to earthbag building. You have to admit the possibility of building a house with dirt cheap, natural materials that turn to actual stone and become fireproof, insect proof, bulletproof, etc. is intriguing. [Update: two people have … Read more
Four of the top seven house designs at ‘The $300 House Open Design Challenge’ are currently earthbag houses. The ranking keeps changing, but that’s where it’s at right now. This is incredible. Of course I’ve known earthbag is growing in popularity, but to see it surge to this level is very exciting. In the screenshot … Read more
My housing designs are now posted for ‘The $300 House Open Design Challenge’. I’ve submitted two proposals so far: $300 Earthbag House – What the World Needs Now, and the Stone Dome – $300 Geopolymer Earthbag Dome. There are lots of new drawings and details included. Please, please take a look, leave comments and rate … Read more
Our next structure will probably be a roofed dome, so we need to decide what’s the easiest and best way to roof a conical or dome shaped roof. Top choices include durable wood or metal shingles. I like the look of wood the most, although metal would probably be easier to install, best at sealing … Read more