record RoofRowhouse1918 = BuildingSystems.Buildings.Data.Constructions.OpaqueHygroThermalConstruction(final nLayers = 2, thickness = {0.02, 0.011}, material = {BuildingSystems.HAM.Data.MaterialProperties.HygroThermal.Masea.ReinforcementPlaster(), BuildingSystems.HAM.Data.MaterialProperties.HygroThermal.Masea.FlaxInsulation()});