It's proven. Roof coatings can save you money on roof replacement and cooling costs.
Badly deteriorated EPDM roof was leaking everywhere. They were able to fix all the leaks with just one coat of EnergyGuard Aromatic Polyurethane.
Don't hesitate to call on out of state contractors if you are unable to find one in North Carolina. You may not be able get a great deal on a small roof but they may have more experience than anyone local. Just make sure they are licensed and insured.