Join Date: Mar 2006
Location: New England
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BTW, is the deck on your boat cored? If so, does the hole that is drilled through the deck have the core removed around the edges and replaced with thickened epoxy??
Silicone can be a good sealant, but it has to be installed properly. How does the trim ring attach to the deck? What you might want to do is use 5200 to attach the prism to the trim ring, but use silicone to bed the prism.
Silicone is not really a good sealant. It really works best under compression, more as a gasket than a sealant. None of the silicones on the market have very strong adhesion properties...and as such, aren't usually all that suitable, unless allowed to form a fairly thick gasket and then held under compression.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.
—Cpt. Mal Reynolds, Serenity (edited)
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Still—DON'T READ THAT POST AGAIN.