If your teak deck is about to die, go a head and use Cetol. do not be shy about applying extra coats. We have boats going on five years without stripping. Brian Hall CHB 45 "Any Sea" Old Bay Marina Baltimore > everything up and cleaned all with Te-Ka Teak Cleaner. This is powerful > stuff and you have to be careful with nearby paint etc. After that the deck > drank nearly 2 gallons of Teak oil with light cleaning and re-oiling until > about 2 years ago. Again cleaned with Te-Ke and put on one coat of Star > Brite Tropical Teak Oil/Sealer. Looked good for about 14 months - mostly > under cover - when I gave it a cleaning with Star Brite Teak Cleaner and > Brightner followed by another coat of Tropical Teak Oil. Still looks good > and gets lots of comments. We are in a place with a lot of dirt in the air > in Beaumont Texas. Another suggestion is Cetol which one of the neighbors > uses. Bit of a different color but seems to last about the same length of time