There’s great, untapped potential for superinsulated earthbag buildings in cold climates. Here’s a way to combine the best features of earthbags and yurts. The basic idea is to combine earthbag walls filled with lightweight insulation such as scoria (lava rock), with a traditional yurt roof frame that’s insulated with perlite or vermiculite. Yurts (ghers) have … Read more
In addition to many other uses, earthbags also make great privacy walls. Besides being beautiful, privacy walls help block wind and noise, and keep out stray dogs and prying eyes. You can greatly enhance your home using this dirt cheap building technique. Protected from excess wind, plants can thrive even in harsh climates like New … Read more
Domes are very strong and perhaps the best option for many areas. However, in rainy climates they are prone to leaks. (Domes originated in desert regions, after all.) In high rainfall areas, roofs with overhangs to protect walls are recommended. Roofs need to be very well built with hurricane tie downs. This is the weakest … Read more
Kikuma Watanabe is an associate professor of architecture at Kochi University of Technology in Japan and is responsible for the design of several wonderful earthbag projects around the world. He collaborated with Akio Inoue (a Japanese professor of philosophy) on designing an eco-village near Lake Victoria in Uganda, and they have helped the Africans build … Read more
Why earthbag building is one of the best building methods. Sometimes we delve into esoteric aspects of earthbag building. For those new to building with bags, here is a summary of advantages. • Low cost (if you build simply and do most of the work yourself) • Durable (rammed earth structures such as earthbag can … Read more
Road base is a mixture of clay and gravel used in road building throughout the world. As an engineered material designed to withstand extreme loads (trucks and cars), you are assured of good working properties for earthbag building. While site based soils are less expensive and require less transport, the working properties are unknown and … Read more