rubble trench

Recycled Concrete in Rubble Trenches

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From time to time we answer reader’s questions. Zafra: We’re researching the possibility of acquiring cheap recycled concrete rather than having to pay for gravel for our foundation, but we’re concerned because we’ve read that concrete can wick water upwards to the earth walls. Owen: Good question. Recycled concrete will work fine if you break … Read more

Another Earthbag Foundation Method

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I published my preferred earthbag foundation method in my new book Earthbag Building Guide. It still seems to be the strongest method because it locks 1-1/2 courses of earthbags below grade. With this method, the site is raised prior to building the foundation with stable fill material such as road base, and compacted by driving … Read more