Thanks Mike,

Thanks for the reply. I too am hoping for a good seal. I'll deal with that after a few other details.

Ken

: I installed a flush hatch system in my Arctic Tern using internal bungee and
: sealing them with 1/8th inch thick hatch gasket tape from West Marine. I
: applied the tape to both the hatch cover and the lip. If I do a bunch of
: rolling practice I might get 1/4 cup of water inside. Otherwise, they're
: waterproof.