All the metal got a coat of Rustoleum Hunter Green paint.
Then each chair has fifty oak slats. Each slat has two cleats on the back to hold them in place. That makes for two hundred slats total, and four hundred cleats.
Then all the wood is sealed with Behr Premium Waterproofer.
I am afraid there isn't much else I can tell you about this project besides the fact that is was a lot of work. In the end though, my wife is happy, so it was worth it.