Straight Versus Zigzagging Barbed Wire

Do not zigzag barbed wire between courses of bags, because this will lessen its tensile strength. A load (stress) on the structure, such as a hurricane, earthquake or differential settling, would tend to pull the structure apart as the slack is taken out of the wire. Zigzagging the barbed wire would provide more attachment points, … Read more

Other Uses for ¼” Steel Rod

An earlier post described how to use ¼” steel rod to install electrical boxes you may have forgotten. This steel is incredibly versatile and so it’s handy to have some around during construction. Here’s a list of things we’ve used it for: attaching bracket for wall mounted bath sink; attaching shelf brackets and nailers; reinforcing … Read more

Dispensers Versus Uncoiling Barbed Wire by Hand

I’ve seen various barbed wire dispensers being used and have wondered what design works best. I started making a dispenser for our roundhouse workshop, but gave up when things weren’t quite working out. It seems easier to move the roll of barbed wire by hand to where it’s needed instead of using a dispenser. Also, … Read more

Installing Additional Electrical Boxes

Let’s assume you want to add an extra box when you’re doing your electrical. The other boxes were installed in the right places during wall construction, but somehow you forgot one. (This would never happen to professionals, of course. [cough]) Don’t worry, there’s an easy fix. What I do… [cough] or would do if this … Read more

Installing Electrical Boxes

It’s very easy to install electrical boxes in earthbag walls. The process involves two basic steps: 1. Anchors: Add anchors in the wall where electrical boxes will go. Do this as the wall is being built. You could use 2x4s placed between earthbags as anchors. Another way is by placing 3” diameter poles about 7” … Read more

Alternative Waterproof Membranes for Living Roofs

There’s growing interest in living roofs or green roofs. The difficulty is deciding on the waterproof membrane. Rubber pond liner (EPDM) is the most waterproof and durable material, and the most common choice due to proven performance, but it’s also very expensive and made from nasty petro chemicals. I think a number of less toxic, … Read more