Are the tire bales attached to the ground, are they free standing, how are they held together?
A. The bales are stacked “free-standing”, alternate lay like bricks, wherever possible, with no connection to the ground or each other, other than gravity (each weighing ~2,000#). Aside from this, all exposed bales are wrapped with 1) moisture barrier [insulation in some places], 2) stucco-mesh (hi-density chicken wire) and 3) a minimum of 2″ of stucco plaster, mud plaster, adobe or shot-crete.
