Eterna Building System is a green building material that is environmentally friendly and energy efficient. The Manufacturing Plant is based in Southeastern Arizona (Pima, Arizona). Manufactured with recycled polystyrene (Styrofoam) and cement. Eterna is a cement composite Insulated Concrete Form (ICF). The Eterna System forms a reinforced concrete structure with high insulation and thermal performance and fire resistant. The Eterna material produces no out gassing and the structure is very air tight, therefore, healthy air quality can be easily achieved.