.BuildingSystems.HAM.Data.MaterialProperties.Thermal.Masea.Plasterboard .BuildingSystems.HAM.Data.MaterialProperties.Thermal.Masea.Plasterboardrecord Plasterboard = BuildingSystems.HAM.Data.MaterialProperties.BaseClasses.MaterialThermalGeneral(id = 8, name = "Plasterboard (Gipskartonplatte (Dichte 732 kg/m^3))", lambda = 0.21, c = 1384, rho = 732);