Attaching Shear Walls to Earthbag Walls

The specifications for reinforced earthbag walls in seismic regions from Structure1.com describe how to attach shear walls to earthbag walls. Properly built shear walls add a great deal of strength to earthbag structures, but are seldom discussed. I thought a detailed drawing of this feature would be helpful. The drawing below illustrates the key concepts. … Read more

Reinforced Earthbag Specifications

I am extremely happy to announce another major first for earthbag building. Precision Engineering has generously provided drawings and specifications for building earthbag structures in seismic areas to meet code. The documents have been combined into one 6-page PDF and are now available online. Reinforced Earthbag Specifications is a 6-page PDF describing in drawings and … Read more

Earthbag Building Blog 3rd Anniversary

This week is the 3rd anniversary of Earthbag Building Blog. A lot has happened this past year, and our blog continues to grow in content and readership. There are now 335 posts and well over 1,000 comments. Thanks for your support. We love hearing about your earthbag projects and hope you will continue sharing information … Read more

A Review of Living in an Underground House

I came across this great article at Mother Earth News magazine and just had to share it. Merle Alix describes his family’s experiences of living in an underground house for the last decade. They love the energy savings, low maintenance, quietness and privacy. The biggest downside is the difficulty of obtaining financing for underground houses. … Read more

Earthbag Building: The Next Big Thing?

For those who don’t know, earthbag structures are constructed with bags of moist soil or other suitable materials, stacked in courses like masonry and then tamped solid. As they dry, they turn into incredibly strong walls. Although very popular for a number of compelling reasons, this building method has struggled to reach its full potential … Read more

Friction and Tensile Strength of EB Components

Patti Stouter has published another earthbag technical report. It is a summary of the state of testing to date, and also covers some of the codes related to earthbag. The following information is quoted from this report. According to the new international earthen building standards, if earthbag walls with some reinforcing have shear strength equal … Read more