Living Walls

Update: This living wall is thriving. I built a second design with an aluminum frame and removable potted plants and so far the plants prefer this living wall made with fishing net. This is a living wall experiment using a small prototype to test the concept. It’s easy to make and very low cost. Living … Read more

Perlite Roundhouses

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

Earthbag/Stone Foundations

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

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

Desert Submarine

This unique 241 square foot all solar design qualifies as a zero energy home. It’s for desert regions only. The home is cooled with water trickling over the metal roofing using the same evaporative cooling principle as found in the original Desert Submarine. It’s a simple yet proven technology. Solar panels power the water pumps, … Read more