Insulating an Ecoshell is simply another low cost alternative.
Thatching is probably the world’s oldest roofing material — straw, reed, grass, etc. It is currently still used in developing nations because of its low cost.
Regrind styrofoam is exactly what it sounds like, old styrofoam cups, plates, packing, etc. ground up into pieces from 1/4" down. The ground up styrofoam is mixed into the concrete and either applied by hand or sprayed on.







