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Tag Archives: geopolymer cement

Proof the Outer Layer of the Pyramids Was Made with Cast in Place Cement

Natural Building Blog Posted on August 21, 2015 by Kelly HartAugust 21, 2015

This is the evidence I’ve been waiting. For several years now I’ve been hoping to find close-up detailed photographic evidence of Michel Barsoum’s and Joseph Davidovits’s theory that at least part of the Giza pyramids were cast in place using … Continue reading →

Posted in General | Tagged ancient monoliths, ancient stone construction, cast in place, DIY, ecofriendly, geoplymer, geopolymer cement, how the pyramids were built, pyramids, sustainable | 3 Replies

Watershed Materials Develops Clay Masonry Twice as Strong as Concrete

Natural Building Blog Posted on August 9, 2015 by Kelly HartAugust 9, 2015

California-based startup Watershed Materials, with support from the National Science Foundation, has spent the last four years researching and developing a concrete alternative. Currently, their studies have produced a masonry created with natural, mineral based geopolymers, that has incredible strength … Continue reading →

Posted in General | Tagged ecofriendly, geopolymer, geopolymer brick, geopolymer cement, green, green brick, natural building, natural materials, sustainable brick | 3 Replies

What are Geopolymers Made of?

Natural Building Blog Posted on April 1, 2015 by Kelly HartApril 1, 2015

This blog post is highly relevant for those living in Canada and Alaska who are looking for a low cost replacement for Portland cement. Alaska buys most of their cement from Korea. This video shows how to make geopolymer using … Continue reading →

Posted in General | Tagged DIY, fly ash, foamed concrete, geopolymer, geopolymer cement, low cost, mine tailings, sustainable, waste stream | Leave a reply

Boulder Houses

Natural Building Blog Posted on September 23, 2011 by Kelly HartSeptember 23, 2011

The lightweight geopolymer earthbag method I described yesterday opens the door to building boulder houses that could last hundreds or even thousands of years. All sorts of other styles could also be built, but for some reason (maybe because rocks … Continue reading →

Posted in Building Styles, Climate, Design, Economics, Emergency Shelter, Introduction, Landscaping, Plasters, Roofs, Structural aspects | Tagged boulder house, earthbag, earthbag building, earthbag construction, earthbag home, earthbag house, Flintstone, Flintstone house, geopolymer, geopolymer cement, geopolymer house | 5 Replies

Lightweight, Insulating Geopolymer Earthbags Part 3

Natural Building Blog Posted on September 23, 2011 by Kelly HartSeptember 23, 2011

I’m proposing using a combination of ferrocement, earthbags and porous geopolymer to build durable, affordable housing. In a nutshell, earthbags filled with lightweight geopolymer cement are fastened to a rebar or bamboo frame and then plastered with geopolymer cement. This … Continue reading →

Posted in Arches, Bag Material, Building Styles, Design, Economics, Filling Bags, Insulation, Introduction, Plasters, Structural aspects | Tagged aerated cement, aerated geopolymer, earthbag, earthbag building, earthbag construction, earthbag home, earthbag house, ferrocement, geopolymer, geopolymer cement, geopolymer ferrocement, geopolymer house, lightweight, lightweight geopolymer, porous, porous geopolymer, sand bag | 10 Replies

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