Demaree has some repair parts, don't know if they are any better than what
you already have, but they are great people.
http://dibboats.com/inflatable-boat-parts/patches-rings.html
http://dibboats.com/inflatable-boat-parts/cements.html
Bill Coleman
CC 39 Erie, PA
From:
Contact cement should work as well but best to buy the real glue.
Ive done a lot of patching on PVC and hypalon. In my experience it needs the
following to guarantee the bond.
1. Clean sanded surface(both)
2. MEK to soften the hypalon before applying the glue(aceton dries too
