I know you have to buy a good brand too. Some of the cheaper brands have very little or none of the chemicals that help stabilize the paint against UV light. So then they turn yellow over just 4-5 years after being sprayed! Buy the good stuff, it will last a lifetime. :)
Mark Davis
Palm Beach Gardens, FL
amateur photographer, hot rodder, motorcyclist, adventurer
"Four wheels move the body. Two wheels move the soul."