The following text and list of properties has been gathered from various poly bag supplier websites to give you a snapshot view of poly earthbags. The information is presented here in a condensed format for brevity. It’s fun doing these blog posts because I always learn something. For instance, did you know polypropylene is 100% … Read more
Geosynthetics Magazine is a valuable go-to source for technical earthbag articles. This is a great, free resource for serious earthbag builders, especially commercial builders. They have a new article about natural green facades on earthbag highway retaining walls. It’s surprisingly simple and effective. The retaining wall is not only strong, it also looks good because … Read more
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
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
Readers have shown a strong interest in my domes and roundhouses, so I decided to cluster them to create a new unique design for larger families. This version has three two-story roundhouses. There are a lot of things to like about this design: possible third bedroom, game room or home office in the main roundhouse … Read more