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SollaSollewSails 09-04-2008 11:19 AM

Blistering on Modern Boats
I have a 2006 Bavaria which, I believe, was fabricated with Vinyl Ester resin. From the Bavaria Website:

"A layer of isophtal acid resin in combination with a powder bound matt of glasfiber avoids the diffusion of water and obviates damage by osmosis."

I routinely keep the boat in the water year round (except for Spring short haul). An epoxy 'tie-coat' was applied to the yacht on delivery (mostly so the bottom paint would stick). Is osmotic blistering still an issue or did the chemists solve this problem years ago.



PS: Extra points if you're a chemist or engineer. :)

sailingdog 09-04-2008 06:34 PM

Vinylester resins reduce the possibility of osmosis, but AFAIK, they do not remove it altogether. Even an epoxy barrier coat, which is probably a bit more substantial than your tie coat won't necessarily prevent osmotic blistering.

SollaSollew 09-04-2008 10:03 PM

what does afaik mean>

TIKI TIME 09-04-2008 10:49 PM

I believe it means As Far As I Know...

seakingbubba 02-02-2012 09:43 AM

SollaSollew, how do you like your Bavaria? (if you still have it)

denverd0n 02-03-2012 08:58 AM

Don't expect an answer, seakingbubba. This thread is from 2008, and the OP has not posted since then.

Don0190 02-06-2012 04:39 PM

I never have read of bistering being a problem on newer boats (like newer than 1985).

In walking the boat yard in the winter the only ones I see with any blistering issues are older boats. So whether they "fixed" it I don't know but it doesn't look to be an issue overall.

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