Re: Osmosis??


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Posted by B.B. on February 13, 2005 at 12:50:08:

In Reply to: Osmosis?? posted by Finn on February 13, 2005 at 12:47:25:

Posted by Bengt Blomberg on November 05, 2002 at 14:38:53:
This most probably has nothing to do with hydrolysis ("osmosis"). My guess is that there has been something wrong with the mold wax in those areas at the construction. You can fill the holes with a polyester filler and sand if you want the areas smoth. Do not use epoxy for this as that will give you trouble making the antifouling to stick at those areas.
Regards Bengt


: Posted by Fin on November 04, 2002 at 19:54:04:
: I purchased a 20 ft, 12 year old boat approx 2 months ago. From what I understand, the boat was kept in water (fresh) for the first 7 years during season. After the seven years it was put on a trailer and stored out of the water. I was winterizing the boat and had to crawl underneath the trailer. On the very underside of the boat, I noticed two circular pattern areas, each the size of a hand. They are side by side. In the circular pattern areas, there are approx 10 or so small holes approx 1 - 3 mm deep. (The holes form the circular areas). The holes appear to be dry and the inside of the holes are hard. They are not blisters, but tiny holes. The inside of the holes are a greenish / gray colour. Is this osmosis? If so, should I be concerned and what should I do about it? I'm trying to get access to a digital camera so I can better describe the holes.




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