There are lots of uses for free chunks of broken concrete, also known as urbanite or urbancrete. This particular project by Danielle at Earthen Acres caught my eye. A series of photos on her site shows how they built it. She and her friends also built their foundation out of urbanite.
urbancrete
Urbancrete
My favorite low cost, sustainable foundation method is earthbags filled with gravel on a rubble trench (double-bagged for strength). But it’s always good to have options because each project is a little different. ‘Urbancrete’ is slang for old concrete that has been torn out. Flatwork slabs such as sidewalks and driveways work best. It can … Read more