Papercrete building blocks are most often made by upcycling used or discarded paper products with a sturdy frame of possibly rebar and metal lath added for support as well.

Building prepper retreat, homestead, or an off the grid home is most commonly done on a tight budget with self-sufficiency in mind. Paper concrete,, or papercrete homes are not exactly a new concept, but one that is undergoing a rapid resurgence and expansion around the world. Canvas concrete style temporary structures have been used by the military for many decades.