Just got my car back from body shop and the only place with rust left on it is the roof after closer inspection the sunroof is badly corroded and the roof skin is rusted badly on the inside which is now starting to show on the outside is there any way of getting rid of this without transplanting a roof from another car? Was thinking of getting the sunroof plated over on smoothed and removing all the sunroof and workings is this an option?Any advice welcome