Fiberglass Molded Trailers and Outgassing?

Thanks! A couple of concerns I had were(1) With Scamp, they layer on a thick coat of "resin" and then put the marine carpet over it and I'm thinking as the sun bears down that it would "cook" and (2) Another concern would be what sort of cleaners you would need to use to keep it shiny on the inside, the ones with the double fiberglass shell. I like the double fiberglass but Eggcamper is too small and Oliver, sort of pricey for the moment. We have 3 adults, one that 6'2" so maybe we just need an old outgassed bus! It is frustrating process. This will be RV number 9 over 30 years. Thanks again.