Fiber glass vs metal

[Newdetailer1]

How different is the approach of polishing fiberglass thats painted vs painted metal on your car? Can you use the same methods and just start with the least aggressive?

[Rsurfer]

How different is the approach of polishing fiberglass thats painted vs painted metal on your car? Can you use the same methods and just start with the least aggressive?
Are you talking about fiberglass on a car that is clear coated or fiberglass on a boat that is gel coated?