Earth Building Report from Greece

I came across a report titled Earth Building: Models, Technical Aspects, Tests and Environmental Evaluation by Sargentis, Kapsalis and Symeonidis. The report was presented at the 11th International Conference on Environmental Science and Technology in September, 2009 in Greece. The report has a number of fascinating insights. The team designed and analyzed a model earthbag … Read more

Insulated Earthbag/Geotextile Basement Walls

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

Using Scoria for Earthbag Building

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

Transforming Buttresses into Walls

From time to time we answer reader’s questions. “Can you discuss how to transform a buttress into a later addition to the home?” The drawing above shows one possible solution for connecting buttresses and additions. (This is one of our proposed house designs for Haiti.) The buttresses are located where future walls will go. Put … Read more

The Most Bang for the Buck? Part 2

Part 1 discussed the most efficient, cost-effective ways to build with earthbags. This post discusses a few related items. Building site: Follow these steps and you’ll save lots of time preparing the site and reduce the risk of problems in the future. Choose a building site that’s clear of obstacles and naturally higher than the … Read more

Friction and Tensile Strength of EB Components

Patti Stouter has published another earthbag technical report. It is a summary of the state of testing to date, and also covers some of the codes related to earthbag. The following information is quoted from this report. According to the new international earthen building standards, if earthbag walls with some reinforcing have shear strength equal … Read more