Share Email Facebook Twitter LinkedIn ThermalProperties.Roughness Property Value of roughness. Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0) Syntax C# public int Roughness { get; set; }Property ValueInt32 See AlsoReferenceThermalProperties ClassAutodesk.Revit.DB Namespace