We completed this task last Spring with some pretty decent results, see attached pictures). I went to a local boat dealer and purchased a 2-part epoxy paint. The paint Perfection, beige topside yacht paint a 2-1-10% mix (ony needed 4oz of paint, 2oz of epoxy and 1oz of 2334 brush thinner rolled on effortlessly with HD 4" rollers I bought at Lowes.
clean the area real well as there are a couple of spots that have peeled due to some areas I did not clean during preparation.
Two recommendations (1) lots of ventilation and with out a doubt in this closed area the use of a respirator (2) wait 20 minutes before rolling after stirring the paint to ensure there are no air bubbles. If you were to spray with 45PSI, no issues.
Prep time, was the most time consuming. But the task was complete within 8 hours to include two coats.
We also replaced the nose insert from Inland RV, Friday and installed that. Andy was correct in it not needing to be trimmed, but it is still work on a 40 year old coach.
Good luck and have fun.