Ziggy has the best info I’ve found on reciprocal roofs at his Year of Mud website. See: How to Build a Reciprocal Roof Frame A reciprocal roof is a simple self-supporting structure made of poles or dimensional lumber that are arranged in a spiral pattern. No center support is needed. They are perfect for round … Read more
I am pleased to announce that www.earthbagbuilding.com is now available online in 35 different languages. With the simple addition of a Google “Translate” box as part of the main menu, you can now choose to read all of the text on any given page in your language of preference. Once the new page is created … Read more
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