A method for manufacturing a coated non-metal substrate, involving a) providing a non-metal substrate with at least one surface which can be coated at least in certain areas, b) providing an application system for applying a metal layer, c) providing at least one plasma generator and/or at least one corona system, d) optionally, plasma treatment using the plasma generator and/or corona treatment of the non-metal substrate or the coatable surface of the non-metal substrate, e) optionally, treating the non-metal substrate obtained according to step a) or d) or the coatable surface of the non-metal substrate with at least one organosilicon compound such that a polysiloxane layer is formed, f) optionally, plasma treatment using the plasma generator and/or corona treatment of the polysiloxane layer according to step e), g) optionally, applying at least one priming coat to the non-metal substrate or the coatable surface of the non-metal substrate according to step a) or d) or to the polysiloxane layer according to step e) or f), h) optionally, plasma treatment using the plasma generator and/or corona treatment of the priming coat according to step g), i) optionally, treating the priming coat obtained according to step g) or h) with at least one organosilicon compound such that a polysiloxane layer is formed, j) optionally, plasma treatment using the plasma generator and/or corona treatment of the polysiloxane layer according to step i), k) applying at least one metal layer containing or consisting of a first metal selected from the group consisting of aluminium, silver, gold, lead, vanadium, manganese, magnesium, iron, cobalt, nickel, copper, chrome, palladium, molybdenum, tungsten, platinum, titanium, zirconium and zinc or containing or consisting of a first metal alloy selected from the group consisting of brass, bronze, steel, or aluminium, magnesium and titanium alloys, using the application system, to the non-metal substrate or to the coatable surface of the non-metal substrate according to step a) or d) or to the polysiloxane layer according to step e) or f) or to the priming coat according to step g) or h) or to the polysiloxane layer according to step i) or j), l) optionally, plasma treatment using the plasma generator and/or corona treatment of the metal layer according to step k), m) treating the metal layer obtained according to step k) or 1) with at least one organosilicon compound such that a polysiloxane layer is formed, n) plasma treatment using the plasma generator and/or corona treatment of the polysiloxane layer according to step m), and o) applying an cover layer to the treated polysiloxane layer according to step n). a) providing a non-metal substrate with at least one surface which can be coated at least in certain areas, b) providing an application system for applying a metal layer, c) providing at least one plasma generator and/or at least one corona system, d) optionally, plasma treatment using the plasma generator and/or corona treatment of the non-metal substrate or the coatable surface of the non-metal substrate, e) optionally, treating the non-metal substrate obtained according to step a) or d) or the coatable surface of the non-metal substrate with at least one organosilicon compound such that a polysiloxane layer is formed, f) optionally, plasma treatment using the plasma generator and/or corona treatment of the polysiloxane layer according to step e), g) optionally, applying at least one priming coat to the non-metal substrate or the coatable surface of the non-metal substrate according to step a) or d) or to the polysiloxane layer according to step e) or f), h) optionally, plasma treatment using the plasma generator and/or corona treatment of the priming coat according to step g), i) optionally, treating the priming coat obtained according to step g) or h) with at least one organosilicon compound such that a polysiloxane layer is formed, j) optionally, plasma treatment using the plasma generator and/or corona treatment of the polysiloxane layer according to step i), k) applying at least one metal layer containing or consisting of a first metal selected from the group consisting of aluminium, silver, gold, lead, vanadium, manganese, magnesium, iron, cobalt, nickel, copper, chrome, palladium, molybdenum, tungsten, platinum, titanium, zirconium and zinc or containing or consisting of a first metal alloy selected from the group consisting of brass, bronze, steel, or aluminium, magnesium and titanium alloys, using the application system, to the non-metal substrate or to the coatable surface of the non-metal substrate according to step a) or d) or to the polysiloxane layer according to step e) or f) or to the priming coat according to step g) or h) or to the polysiloxane layer according to step i) or j), l) optionally, plasma treatment using the plasma generator and/or corona treatment of the metal layer according to step k), m) treating the metal layer obtained according to step k) or 1) with at least one organosilicon compound such that a polysiloxane layer is formed, n) plasma treatment using the plasma generator and/or corona treatment of the polysiloxane layer according to step m), and o) applying an cover layer to the treated polysiloxane layer according to step n).