filling voids left by blisters and other problems

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Posted by Ralf Edwards on January 19, 2001 at 21:50:51:

I have read most of the information you have written on the problem of blisters and it appears to make sense unfortunately there seems that there is no way that this can be done in the USA at this time. I have a seidelmann 37 that had many small blisters which my partner and I were going to take care of the old fashioned way (epoxy coating) until I saw that an old boat that I had treated that way had a blister apparently return and it was larger. At the time I had not heard of any other method of treatment of this problem. My qustion is if I pop all the blisters do I grind out the area around the blister if it appears effected and should I fill this area with epoxy filler to fair the hull and if this is done can I first treat the area with a heat gun as used to remove paint at least in this area also I have read that American surveyors have found more blister problems on Hatteras yachts that are not given gelcoats but only painted. There are may surveyors that are telling me that the old boats with thick gelcoats don’t blister but that the reason that boat blister was the change in methods and type of resin used after the oil shortage in 73 what can you say of this . you know if we make the wrong disition on this we lose a large invesment

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