want HELP goop gurus

[ebb]

Just brought 4 tubes white Boat Life thiokol from Vast Bloatenne for $84 out the door (as fast as possible!)

It came out of the tube more or less as I remembered it (loose pudding) as I haven't used it for decades.
I had to apply it overhead - which was ok if I pressed the bead onto the surface, but any loose glob would fall off leaving a short thin tail. The rubber was not very viscous. The temp was between 64 and 70. I would guess fairly low humidity, but this is a marina where the yard is located.

It has been five days since applying the stuff. It has set, BUT NOT FIRMLY.
The gel coat has been sanded and had a final wipe down with evil solvent. The wood had been coated with CPES and cleaned back to the wood with alcohol to remove any surface residue (weeks ago) and the glue surface was abraded with 40 grit and wiped of any dust.

Here's the problem: THE BOATLIFE DOES NOT SEEM TO HAVE STUCK TO ANYTHING! I can lift the squeeze out back to the work without a problem, any drips or threads of rubber on the topsides or blue tape rub off with a finger. Anybody know what's going on? Have a feeling I shudda gotten a Sika sulfide from the hardware!!!

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There is a pond going in on the estate here using hypalon as the liner. The installer has used a 'construction polysulfide' for a sealer. The product peels away like a postit note. No adhesion what so ever. Anybody know what goop would stick to an Avon? What sticks to hypalon besides an electrically welded joint???
The problem, without going into detail, is that the installation requires a sort of gasket or goop line to work. They need to redesign their concept. There are after market 'bicycle tire repair adhesives' for airboats but that isn't what is needed here. Just wondering if any tube rubbers would do the trick?

Really could use your input on this. Thanks!