Earthbag structures are sustainable because they are safe (fire and mold resistant, structurally sound, nontoxic), durable, code approved, easy to maintain by homeowners, low cost ($10/sq.ft. is possible with small, simple designs), site specific, maximize solar gain, resistant to natural disasters such as floods, low embodied energy materials, use locally available resources, reduce energy consumption … Read more
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
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
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
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