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Blister Detection Before Barrier Coat
Don't some blisters close up and disappear after the hull dries, making them difficult to detect? Pinhole blisters in particular.
I remember a Catalina on the hard that did this and the pinhole blisters were only seen when the hull was sanded completely clean of all bottom paint, and then they were hard to see. The holes were very, very small but there were a lot of them.
What would be the best way to handle that? Would a hammer sounding reveal anything? A moisture meter? Or is a close visual check the only way to find that kind of blister.
What would happen if you barrier coated without filling the blisters?
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