Share Email Facebook Twitter LinkedIn MassSurfaceData.IsSlab Property Indicates if a floor is a slab. Namespace: Autodesk.Revit.DB.AnalysisAssembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0) Syntax C# public bool IsSlab { get; }Property ValueBoolean See AlsoReferenceMassSurfaceData ClassAutodesk.Revit.DB.Analysis Namespace