I also recommend ONLY Silpruf silicone. (AS did GE, to be used with their
Lexan products) It comes in colors, and when I used it, had to be ordered by the case of 12 tubes. We used it on ALL of the
ports on our
Searunner, as well as the
dodger, 16 years ago, NONE have leaked.
With plastics, bond is not as important as flexibility, because plastics expand and
contract at several times the rate of the rest of the
boat. Unlike every other silicone I have used, Silpruf gives WELL over 30 minutes of working time. That alone makes it SO much better than the
hardware store stuff. It has a shelf life, so sell or give away your left over tubes!
About your
halyard restrainer chafe point ... I would swap out the halyard for a smaller dia. but MUCH less stretchy halyard of N.E.R.'s T-900. At the area where it goes through the restrainer, and say 3" above and below, I would put a 6" piece of
Anchor brand THICK "battery wire"
adhesive lined heat shrink tubing. (in black)... This has worked for me as chafe protection, and the lifespan is over 10 years!
On your
roller furling halyard, the use of a line like T-900, which to thin and stiff to be easy to
work with, becomes a moot point, because you only use it twice a season, (to install or take down your jib).
Mark
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