Barrier Coatings & New Hulls

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Posted by Kevin on August 01, 2001 at 00:56:14:

Hello Mr. Blomberg:

I have read your book and found it very enlightening. I do have a question for you if you please. I am the owner of a brand new 22' fiberglass power boat. The boat was manufactured by the Grady White company in the State of North Carolina in the United States. I am planning on keeping the boat in the water near Annapolis, Maryland in the United States. The water in this area of the Chesapeake Bay is saltwater.

I am considering having a barrier coat (either epoxy or vinylester resin) professionally applied to the bottom prior to the application of the bottom paint. No exposure to water and no hydrolyses is present in the hull. My idea is that the application of a barrier coat to a new hull will extend the amount of time that will pass before any of the styrene in the underlying laminate is exposed to sea water; thus eliminating or significantly delaying the onset of any hydrolyses.

Do you feel that this is a wise approach to take? An alternative approach is to simply put the bottom paint on and hope that I don't experience the problem at all. Your thoughts on this matter would be quite helpful to me.

Thank you very much for your time,


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