diff --git a/Objects/Converters/ConverterRevit/ConverterRevitShared/PartialClasses/ConvertView.Schedule.cs b/Objects/Converters/ConverterRevit/ConverterRevitShared/PartialClasses/ConvertView.Schedule.cs
index 2dc43fefce..bf6de53479 100644
--- a/Objects/Converters/ConverterRevit/ConverterRevitShared/PartialClasses/ConvertView.Schedule.cs
+++ b/Objects/Converters/ConverterRevit/ConverterRevitShared/PartialClasses/ConvertView.Schedule.cs
@@ -244,7 +244,7 @@ Element firstElement
 
     var columnMetadata = new Base();
     columnMetadata["BuiltInParameterInteger"] = info.field.ParameterId.IntegerValue;
-    columnMetadata["FieldType"] = info.field.FieldType.ToString();
+    string fieldType = info.field.FieldType.ToString();
 
     Parameter param;
     if (info.field.FieldType == ScheduleFieldType.ElementType)
@@ -257,10 +257,26 @@ Element firstElement
     }
     else if (info.field.FieldType == ScheduleFieldType.Instance)
     {
+      // All shared parameters also use this type, regardless of whether they are instance or type parameters.
+      // ref: https://www.revitapidocs.com/2024/9888db7d-00d0-4fd7-a1a9-cdd1fb5fce16.htm
       if (firstElement != null)
       {
         param = firstElement.get_Parameter(builtInParameter);
-        columnMetadata["IsReadOnly"] = param?.IsReadOnly;
+
+        // if the parameter is shared, we need to check the type parameterer too
+        if (firstType != null)
+        {
+          Parameter typeParam = firstType.get_Parameter(builtInParameter);
+
+          // If the parameter is readonly in the element but not in the type, is a type parameter
+          if (typeParam != null && !typeParam.IsReadOnly && param != null && param.IsReadOnly)
+          {
+            columnMetadata["IsReadOnly"] = false;
+            fieldType = ScheduleFieldType.ElementType.ToString();
+          }
+        }
+
+        columnMetadata["IsReadOnly"] ??= param?.IsReadOnly ?? true;
       }
     }
     else
@@ -273,6 +289,8 @@ Element firstElement
         info.field.FieldType.ToString()
       );
     }
+
+    columnMetadata["FieldType"] = fieldType;
     speckleTable.DefineColumn(columnMetadata);
   }