.BuildingSystems.HAM.Data.MaterialProperties.Thermal.Masea.Concrete .BuildingSystems.HAM.Data.MaterialProperties.Thermal.Masea.Concreterecord Concrete = BuildingSystems.HAM.Data.MaterialProperties.BaseClasses.MaterialThermalGeneral(id = 2, name = "Concrete (Beton)", lambda = 1.94, c = 776, rho = 2104);