I built two white oak chase lounges that sit outside year round in the Arizona sun and occasional rain/humidity. I tried a number of clear finishes recommended here but none lasted through one year. Finally I tried a rattle can applied Rustoleum black (that worked well on an interior hutch), but it turned out no better.
Are there paints that will last out doors? I remember my dad using paint on a back yard swing that lasted for several years. Of course that was in Illinois where the sun is less of a factor, but the rain and humidity, and then the winter freeze/thaw had to be an issue.
Does anyone have a multi-year success story to tell?