Polycrete? is GREEN: Contributes to 25 LEED points; contains 66% recycled raw materials; minimal jobsite waste is 100% recyclable; High R values, minimal air infiltration and no thermal bridging means 40% or more reduction in HVAC operating costs; Requires smaller HVAC units. The largest ICF Available: Erect sixteen square feet of wall in one motion and pour in eight foot lifts. That means your building goes up faster using less labor and equipment than CMU, steel studs or traditional cast-in-place. Safest ICF Available: Big Block 1600? panels will not blow out. They're held together with STEEL. Steel connectors tie the panels together, and a patented web of .16" welded steel wire is embedded within the foam panel. Withstands 1,600 lbs/sf of lateral press