This article describes a low cost method of building insulated basement walls without concrete, using geotextiles. Typical basement walls are expensive and use large amounts of concrete, a major contributor to global climate change. Concrete basement walls are typically built by contractors, because they require expensive forms and specialized knowledge. Plus, in cold climates they … Read more
If you’ve been reading our blogs and websites, you’ll often see reference to scoria. Scoria, also known as lava rock, has numerous properties which make it a great building material. The key breakthrough for earthbag building was Kelly Hart’s house made with bags of scoria. His house stays comfortable year round in a very cold … Read more
Woodchip/light clay is a traditional building material in Germany and other European countries. It’s typically used as infill between timbers in post and beam construction. I’ve been told that bags of pre-mixed materials are standard items in building supply centers, and blocks can be made to order. The drying time, shrinkage and labor are less … Read more
There is a whole class of cement that was very popular in the days before the invention and manufacture of Portland cement quickly replaced its use. Generally classified as magnesium-based cement, this material was used in historic times in Europe, India, and China, among other countries. It is unfortunate that Portland cement has replaced the … Read more
The internet has been vibrating along with the earth since the great quake in Haiti, and I have received quite a few emails responding to this catastrophe, often with suggestions about ways to assist the Haitians. I’ll quote from one particularly thoughtful response: “I would like for you and your colleagues together to present our … Read more
I’ve just unveiled my first zero energy house — Zero Energy One — at Earthbag House Plans. Unlike most zero energy houses that cost a small fortune (around $250,000), Zero Energy One earthbag house can be built for about $10/sq. ft. exclusive of the energy systems. This design minimizes net energy use, embodied energy in … Read more