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 Catalina/Capri 25/250 Sailor's Forums
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 Thru-Hull Hole Patching		  New Topic  Topic Locked
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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts
Initially Posted - 04/04/2004 :  13:08:32  Show Profile
I have removed two old thru-hulls and am in the process of filling in the 2" holes left behind. My handy West System fiberglass repair manual states that for repairing cored hules, fill the hole with the appropriate core material then fill in with epoxy, but our hulls aren't cored.

Since our hulls aren't cored can I simply wet out then fill the holes with thickened epoxy or do I need to fill the 2" x 3/8" holes with some sort of substrate?
Don Lucier

North Star SR/FK
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OJ
Master Marine Consultant

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USA
4382 Posts
Response Posted - 04/04/2004 :  13:37:20  Show Profile
West Systems 404 or 406 fillers would work well for this application - you could even mix the two.


http://www.westsystem.com/
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Oscar
Master Marine Consultant

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USA
2030 Posts
Response Posted - 04/04/2004 :  14:40:44  Show Profile  Visit Oscar's Homepage
If it was me, I'd wan't to add some structure. I'd really grind down around the hole, say two inches outside of it, tapered, from 1/16th to about 1/8 , and then lay up increasing size glass patches, three or four layers. I'd then do the same on the inside, after filling the hole with epoxy and a filler mixed in. This way the plug is sandwiched in and cannot pop out....

Oscar
250WB#618 Lady Kay in Venice Inlet, Florida USA.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.