Frankly, I'd want the boat to be water
tight before I left Norway
. If you take off the teak
decks to repair the deck, that's pretty straightforward. If you love teak decks and want to install new ones after you get to Malaysia
(friends did a similar job in Langkawi), the teak is available there. They were able to re-use most of theirs, but you've half a world to cross before you're there. So, after you repair the deck, I'd use non-skid paint
on it, of the sort that is used in public areas. Here in Australia
, it is called "acrylmeric sportcote". It is relatively inexpensive, and is great as non-skid. There are a few colors available. We got white (easier to walk on in the tropics, but stains easily).
If you've never had to do it, living in a boat that is wet on the inside gets miserable pretty fast, hence my thoughts. I hope you consider fixing the deck before you leave, but to an easy to change to new teak upon arrival where teak is available and affordable...or not, if you come to like it plain.