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Author Topic:   blistering 98 whaler
t2me posted 12-18-2001 07:33 PM ET (US)   Profile for t2me   Send Email to t2me  
has anyone noticed any blistering, even very minute, on any of the new whalers. ive noticed some faint blisters on mine and i wonder if this is something to be concerned about at this time and should i notify BW since their warantee progressvely gets less with each year?
OutrageMan posted 12-18-2001 09:30 PM ET (US)     Profile for OutrageMan  Send Email to OutrageMan     
I would bring it to BW's attention right away. But (and this is a big but), I am not sure they will do anything about it. Many boat makers do not warrentee against blistering.

You can avoid most blistering by not leaving your boat in a slip for long periods without bottom paint.


Ferdinando posted 12-19-2001 08:35 AM ET (US)     Profile for Ferdinando  Send Email to Ferdinando     

Have a 98 Montauk and I have not seen any blistering whatsoever, it is garage kept.

I did have an 86 15 SS which I purchased new and it did start to blister after 12 yrs around the forward anchor locker hatch, but thats about it.


bw posted 01-02-2002 09:13 PM ET (US)     Profile for bw  Send Email to bw     
Do all fiberglass boats require paint on bottom if it is going to be in water. It would seem to me that two months of being in water would not cause boat to blister especially since it costs over 60K?
jimh posted 01-03-2002 01:43 AM ET (US)     Profile for jimh  Send Email to jimh     
Executive summary: a 1998 Whaler should not be blistering, regardless of bottom paint.

Osmotic blistering is usually seen on older boats that have been in the water for extended periods of time. It occurs when the top layer of the laminate structure (the gelcoat) is not properly applied and water can penetrate through the gelcoat and invade the laminate structure underneath. The water mixes with uncured resins and forms acidic liquids which bubble up and blister the hull.

This should not be happening at all on a new boat, especially one of Whaler quality.

Bottom paint is applied to suppress marine growth on the hull. It is not applied as a way to seal the hull and suppress osmotic blistering.

Osmotic blistering can occur on hulls with bottom paint just as easily as on hulls without bottom paint.

Generally a boat will be bottom painted if it is going to be left in the water year round or for extended periods. It depends on your location. In cold, fresh water like Lake Superior there is hardly need for bottom paint. In tropical salt water you will get marine growth attaching to the hull very rapidly unless you bottom paint.

OutrageMan posted 01-04-2002 12:13 AM ET (US)     Profile for OutrageMan  Send Email to OutrageMan     

I have to differ with you on 2 matters. We keep outr boats on the Green Bay side of the Door County Wisconsin (the little thumb that prutrudes on the east side of WI). If you keep your boat in this water for the season, you will have yourself quite a beard - just ask my uncle Eagleman.

Also, you are right that bottom paint will by itself not prevent blistering. However, any yard worth its salt will use an epoxy barrier coat between the bottom paint and the gelcoat. This does help prevent the blistering.


smo posted 01-07-2002 08:17 PM ET (US)     Profile for smo  Send Email to smo     
My 98 conquest blistered after 7 months of sitting in a freshwater slip 2 summers ago. Most blisters were along one of the chines and the bottom1/4 of the hull on each side. i had previously had work done to repair a void in one of the strakes, visible after the dealer started repair of a blister there. Other voids next to the lip above the bow eye also had to be repaired.
jimh posted 01-08-2002 01:26 PM ET (US)     Profile for jimh  Send Email to jimh     
Whalers have had a reputation for not blistering, but perhaps that was in part due to the fact that a lot of them spend their lives on trailers and not in the water.

Sorry to hear of these reports of blistering on relatively recently molded boats.

David Ratusnik posted 01-08-2002 09:28 PM ET (US)     Profile for David Ratusnik  Send Email to David Ratusnik     
6 months ago I was at the service counter of the major Orlando area Whaler dealer attempting to buy certain original screws etc for the 86 22'OR. The shop manager overheard my provision of parts numbers and attempt to order parts for an 80's boat. He was shaking his head then started complaining about 2 new Whalers with significant gel coat blistering problems back in his shop. Stated, you're lucky to have an old one. The dealer couldn't provide any of the original parts I was requesting, even thru Edgewater. Dealers for our classics are as worthless as tits on a bull!!!

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