Boulder Houses

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 last almost forever) these boulder houses really capture my imagination. Worst case scenario is you … Read more

Grain Bin Roofs

Another good roof option is a grain bin roof. Good quality grain bin roofs are typically maintenance free for decades, and a good choice for windy areas and hail zones. They are especially practical for those who live in agricultural areas and can buy the roofs separately from local grain bin suppliers. They’re also very … Read more

Disaster Resistant Catenary Domes

Specifications: 314 sq. ft. interior, 181 sq. ft. interior loft, total = 495 sq. ft. interior, Footprint: 23’ diameter This blog post is a continuation of the discussion about disaster resistant domes. So far we’ve talked about Hemispheric Domes and key ideas about How to Build the Strongest Buildings That Can Last Centuries. Wiki describes … Read more

Seismic Resistant Gravel Bag Foundations

Yesterday’s post was about the earthquake resistance of earthbags. Today’s post illustrates what an earthquake resistant gravel bag foundation looks like and explains why this design is so effective. Gravel is an ideal material for this application because it’s durable, reasonably inexpensive, readily available in most areas, has high bearing strength and prevents wicking of … Read more

Solar Pit House Building Details

Specifications: 1,127 sq. ft. interior living space, 441 sq. ft. interior greenhouse, total = 1,568 sq. ft. interior, Footprint: 36’x53’ As explained in the previous blog post, this modern solar pit house is based on the traditional pit house. The construction is much the same. Additional ‘modules’ have been added to create an elongated rectangular … Read more

Evolution of the Pit House

I’ll never forget the Native American museum exhibit of a pit house in Anchorage, Alaska. I couldn’t stop staring at it. Pit houses are so simple and yet so effective that people lived in structures like this for thousands of years with relatively minimal environmental harm. This building method and lifestyle really captures my imagination … Read more