The roughness value of the construction, from 1 (Very Rough) to 6 (Very Smooth) and -1 when unset.
Namespace: Autodesk.Revit.DB.Analysis
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)
Syntax
C#
public int Roughness { get; }
public int Roughness { get; }