My Step-by-Step Earthbag Building article at EarthbagBuilding.com has been updated. I built a demonstration wall and photographed each step. YouTube videos have been embedded to further demonstrate the process. All the latest tools and techniques are shown, including use of stronger sheetmetal sliders, 2-gallon cement buckets, bucket chutes, bags turned inside out, and filling bags … Read more
There is a glut of small diameter wood in many parts of the US, both in national forests and tree farms. This resource is often wasted as it becomes fuel in massive forest fires. On tree farms, where it barely pays the bills, small diameter wood is sold cheaply to make paper. Instead of sending … Read more
A reader asked if perlite is a good choice for building earthbag roundhouses. Perlite should work if you make some adaptations. It has excellent R-value and so, in my opinion, is well worth a little extra effort. In fact, it’s a top choice because of its R-value of 2.7 per inch. So 15″ would give … Read more
Knowledge is power, as they say. Serious natural builders will want to draw from the best pool of knowledge available. You see, earthbag is just one part of natural building. There are design and site issues to learn about, how to best use sustainably harvested wood, how-to information on roofs, plastering, and so on. It’s … Read more
There’s growing interest in lightweight bag fill materials as alternatives to more labor intensive soil-filled earthbags. While lightweight materials such as scoria, perlite, etc. are not as stable as tamped earth, their higher insulation value and labor saving advantages offer tantalizing possibilities for certain designs, locales and site conditions. We’re currently investigating vetiver grass as … Read more
The most recent issue of The Last Straw journal (#60) has my article about earthbag/stone foundations. The following information is just a short excerpt. You can buy the full length article from The Last Straw. The design outlined here can be used with load-bearing and non load-bearing straw bale walls, earthbag walls, cob, adobe, cordwood … Read more