record RoofMultistorey1958to1968 = BuildingSystems.Buildings.Data.Constructions.OpaqueHygroThermalConstruction(final nLayers = 4, thickness = {0.015, 0.16, 0.06, 0.01}, material = {BuildingSystems.HAM.Data.MaterialProperties.HygroThermal.Masea.ReinforcementPlaster(), BuildingSystems.HAM.Data.MaterialProperties.HygroThermal.Masea.PumiceConcrete(), BuildingSystems.HAM.Data.MaterialProperties.HygroThermal.Masea.FlaxInsulation(), BuildingSystems.HAM.Data.MaterialProperties.HygroThermal.Masea.WeatherResistantLayer()});