Star Top CEB Presses

Compressed earth blocks (CEBs) have countless uses and come in dozens of shapes (many more than shown here). They are commonly used for residential and commercial structures, earthquake resistant structures, privacy walls, columns, bond beams, pavers, planters, stairs, etc. For instance, you could make CEB columns on your house and privacy walls and stack earthbags … Read more

E-Z Hogan Framing Anchors

Sometimes special hardware can really come in handy for speeding construction. That’s probably why there are hundreds of different anchors and straps available – they really do make buildings stronger and easier to build. The anchors pictured above are used to build hogans, an octagonal shaped structure favored by the Navajo and others living in … Read more

Adjusting the Moisture Content of Soil

You can adjust the moisture in your soil mix. In this case we’re using road base. You can see that this is too wet. If it looks glistening with water then it’s obviously too wet. If you squeeze it and see water coming out like this then it’s too wet. So you can take your … Read more

Barbed Wire Provides Tensile Strength

Some people are using sharp rocks, thorny vines, etc. to prevent slippage between bags. These things may help a little, but barbed wire does a lot more than prevent slippage –– it adds tensile strength to your structure. This point is often overlooked. Tensile strength restrains courses of domes from moving horizontally (expanding outwards from … Read more

Adjusting the Clay/Aggregate Ratio of Road Base

All of our earthbag projects have been built using the same road base material. It has worked exceedingly well. After tamping, the earthbags are solid and turn into very hard earthen blocks. Here I am testing the hardness of bags on our roundhouse. But from time to time I would see areas with less than … Read more

Terrazyme Soil Stabilizer

I’ve been reading about TerraZyme® for a number of years, but Scott Howard of Earthen Hand prompted me to comment on this soil stabilizer. It seems to be an enzyme fermented from fruit, so here’s another safe, low tech way to stabilize earthbags. Text below is from their website. TerraZyme® soil stabilizer is a safe, … Read more