diff --git a/src/RhinoInside.Revit.GH/Components/Structure/AddPhysicalElement-AnalyticalElement.cs b/src/RhinoInside.Revit.GH/Components/Structure/AddPhysicalElement-AnalyticalElement.cs
index 28859eb5f..7751335d1 100644
--- a/src/RhinoInside.Revit.GH/Components/Structure/AddPhysicalElement-AnalyticalElement.cs
+++ b/src/RhinoInside.Revit.GH/Components/Structure/AddPhysicalElement-AnalyticalElement.cs
@@ -129,7 +129,10 @@ protected override void TrySolveInstance(IGH_DataAccess DA)
               var floorTypes = collector
                 .OfCategory(ARDB.BuiltInCategory.OST_Floors)
                 .WhereElementIsElementType()
-                .Where(t => t.get_Parameter(ARDB.BuiltInParameter.FLOOR_ATTR_DEFAULT_THICKNESS_PARAM).AsDouble() == panel.Thickness)
+                .Where(t => Rhino.RhinoMath.EpsilonEquals(
+                                    t.get_Parameter(ARDB.BuiltInParameter.FLOOR_ATTR_DEFAULT_THICKNESS_PARAM).AsDouble(),
+                                    panel.Thickness,
+                                    tol.DefaultTolerance))
                 .Select(t => t)
                 .Cast<ARDB.FloorType>()
                 .ToList();
@@ -212,7 +215,7 @@ protected override void TrySolveInstance(IGH_DataAccess DA)
                 .WhereElementIsElementType()
                 .Select(t => t)
                 .Cast<ARDB.WallType>()
-                .Where(t => t.Width == analyticalPanel.Thickness)
+                .Where(t => Rhino.RhinoMath.EpsilonEquals(t.Width, analyticalPanel.Thickness, tol.DefaultTolerance))
                 .ToList();
 
               if (wallTypes.Count == 0)