Have gone 14 years without needing to strip. It is getting to be time to do it again, some yellow and lifting, but mostly the varnish has gotten too thick.
14 years ago, we used Smith's epoxy
under all toe rails, hypodermic needles, several applications until it was saturated. The gave all teak 2 cats of smiths epoxy
. Then built up 6-7 coats of varnish the first year. After that we just did 2 coats per year.
This time we'll do the same I expect