: I've put a lot of minicell on the inside of my boats, but have never tried to
: affix any to the outside. I assume that that will work fine also (with
: some standard hydrogrip or similar product), but before I run sandpaper
: over the stretch of deck that I plan to attach it to, I'd like to get a
: more informed opinion. FWIW, I find that the way I secure and remove my
: Greenland paddle while underway leads to a lot of superficial marring of
: my otherwise shiny gelcoat, and would rather have a few inches of thin
: minicell where the paddle end presses down against the hull, than
: scratched gelcoat.

I have had good luck using 3M Super 77 Sparay Adhesive (at any big box building supply). I would try it first with just a good solvent cleaning of the gel coat, you may not have to scratch the deck with sandpaper.