Certainly, high summer heat and humidity has more of an effect, but I’d like to find a remedy. Have tried Virtuoso Cleaner and Polish, a very temporary solution.
I’ve read all kinds of posts about starting with naphtha to clean it off thoroughly, and then grey Scotchbrite scuffing followed by talcum powder, I’m a little concerned about messing up the existing finish.
This particular D P/W is 12 to 15 years old.