Composite turbine housing

The present invention provides a turbine housing (2) for a turbocharger of cast metal is available, which is provided for protection against high temperatures of an exhaust gas flow with an insulating material (121). Furthermore, the present invention provides a method available which comprises at least two housing parts (2a, 2b) of the turbine housing (2) to one another, which are provided for protection against high temperatures of an exhaust gas flow prior to bonding to an insulating material (121).