Gel coat would be nice but I plan on using the epoxy paint from a spray can or an idustrial enamel when it comes time to do mine. Anything with a UV stable material should work. White is the mot forgiving color for the DIY Painter.
My rig... "Maude"
1976 FJ40 with some stuff and some leaks.
1999 UZJ 100 Series bone stock ready to rock AKA:The backup minivan
2012 Toyota Sienna Minivan, fastest Toyota in the stable.
My camping trailer build up thread.
"You 80 guys are just a Sawzall away from nirvana." -Red Chili