Did you try to sand the edges down flush to the deck or fill along those edges with the seal coat? I'm going to do something similar on my S&G canoe along the side and worry about air bubbles under the glass along the veneer strip.

: I just added two veneer whales to the deck of my wife's kayak by painting
: white glue on the back, waiting until it was dry and then ironing it on. I
: then gave it an epoxy seal coat before covering the whole deck with glass
: and two fill coats. Seems to have worked fine.