Rubrail & Cap/Liner

[plusone876]

Thinking about filling of of the holes with something and then using Plexus to fuse together. After the plexus is cured, silicone the cracks, silicone the back of the rubrail, replace rub rubrail, and done. I need more suggestions though, anyone? Also what material should I use to fill the old screw holes? Has anyone used plexus to seal the hull cap joint? Either plexus alone, plexus + screws, or fiberglass + screws are my options at this point.