record IntermediateWallMultistorey1958to1968 = BuildingSystems.Buildings.Data.Constructions.OpaqueThermalConstruction(final nLayers = 3, thickness = {0.025, 0.05, 0.025}, material = {BuildingSystems.HAM.Data.MaterialProperties.Thermal.Masea.Plasterboard(), BuildingSystems.HAM.Data.MaterialProperties.Thermal.Masea.FlaxInsulation(), BuildingSystems.HAM.Data.MaterialProperties.Thermal.Masea.Plasterboard()});