Blister Problem

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Bill T.

Has anyone with a late 80's Hunter had serious enough blister problem to require removing the gel coat below the waterline? There has got to be a better way than sanding. A few years ago I pulled my 1987 26.5 for an overdue bottom job and the yard found three baseball sized blisters and several large areas where the gel coat was cracked and peeling. Underneath the cracked areas of gel coat were a bunch of dime sized blisters. For only six thousand dollars they would have stripped the gel coat and fixed it for me. I decided to spend half that on a trailer and do it myself. For several reasons, I'm just getting started on it now. When my arms are aching and I'm covered in gel coat dust, I think that might have been six thousand well spent. I've got about twelve hours in sanding and I'm still not half done stripping the gel coat, and there are a lot of small shallow bliters, a lot! I don't know if it was caused by bad gelcoat, bad laminate, bad resin, or bad luck. I plan on using Interlux epoxy and barrier coat to make the repairs. It's only real bad just below the waterline, not to many blisters on the very bottom. Any suggestions, advice, or similar bottom stories, please reply to this post or e-mail me at btarnick@att.net. Or if anybody nearby has a random orbit sander they want to give a workout, I've got plenty of discs of 3M 36 grit purple and I'll buy the beer.
 
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