Stage one of our northern climate root cellar is complete! As our gardens grow we have found ourselves in real need of a root cellar, and this time we decided to go big and ugly and permanent. This was our first suspended concrete slab and it went great, a little honeycomb, but it should hold.
Next stage will be to cover the roof with a waterproof membrane, throw down some foam, and bury! You can get a feel for the construction and design in the video here: