epoxy

[tyce]

hi,
earlier this year i ran a post about epoxying my boat, and had excellent replies especially from my friend oldsaltz,
so here i am about to undertake the task (preperation) and some one has come along and said it is already epoxied.
i must admit it does appear that way, there is a white coat over the gel coat and we cant decide if it is some kind of primer or epoxy.
does any one know of a way of telling, the surveyor that did the purchase survey thought it wasnt but now i have removed the antifoul it does appear to be.
also the original reciept from hunter states it should have been epoxied.
hope someone can help and save me a great deal of money

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[snowleopard]

if the hull shows blistering then (a) if it is epoxied it didn't work and needs doing again or (b) if it isn't epoxied it should be.

if there is no blistering it doesn't need doing.

FWIW i had a hunter sonata which also appeared to have been epoxied when i scraped the a/f off. there was no sign of osmosis and it had probably been in the water a lot longer than yours.

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[castaway]

Depending on how old yr boat is is may have been polyurethane painted below the waterline.. at one time this was considered to be a barrier to osmosis ( it wasn't)

My boat had had this treatment, and appeared to have osmotic blistering. it wasn't until I had here slurrey blasted (after getting her at a very favourable price!) that the blistered polyurethain beneath all the old A/fouling was revealed.

Nick

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[tyce]

boat is 1989 hunter horizon, there are no blisters i was going to do it for prevention.
keep the replys coming

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[boatmike]

If you have a moisture meter or can get hold of one see if you get a reading. A reading of near zero probably means it is epoxy. As it is a 1989 boat and has no blisters at all then either it is a well laid up boat or it has indeed been epoxied. Either way you can apply more epoxy if you want to but make sure you abrade what is there thoroughly first. If you get a zero reading though I would not feel it worth the expense. On the other hand it will do no harm if you feel you want belt and braces.

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[celandine]

If the white layer is epoxy, it will be considerably harder than any paint that might be on there. If you cannot scratch it with something moderately sharp it is probably epoxy.





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