Precast insulated concrete wall panels manufactured by O'Reilly Concrete are safe, cost-effective and energy efficient soluti ... on for modern building structures. Insulated concrete sandwich panel system is the perfect solution for environmental-friendly sustainable buildings. excellent thermal insulation the U-value between 0.17 and 0.27 no cold bridges excellent fire resistance durability and weather resistance low heating and maintenance cost low cooling cost in summer quick installation safe and healthy environment time and cost-saving solution natural concrete or architectural finish load-bearing or non load-bearing walls Our insulated concrete sandwich wall system is manufactured using Thermomass technology. read more