Here’s a very low cost vault roof that’s suitable for sheds and developing countries. The cardboard prevents the cement from falling through.
This blog post provides additional information about the insulated earthbag vaults that I’ve been discussing the last few weeks. (Use the search engine in the upper right corner and enter “insulated earthbag vaults” to read prior posts.) As explained from the very beginning “We get quite a few enquires about vaults. So far we’ve always … Read more