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Old 15-11-2013, 20:56   #1
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General Screw Hole Repair:

I'm looking to fix several aesthetic items on-board: (Lazarette hinges, blah blah).

Am I doing the right thing by using West Systems 205 Epoxy Hardener, letting it cure for a few days to maximum hardness, sanding to flush, re-drilling the hole, and putting screws back in to the fixed area?

I've also read in several areas that breaking off a bit of 'taper' wood into the hole before filling with epoxy and curing is effective.
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Old 15-11-2013, 21:21   #2
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Re: General Screw Hole Repair:

I assume you mean using West epoxy mixed with the 205 hardener and not just the hardener by itself.

If you are filling a stripped out screw hole so you can get a screw to grip again I would use filler with the epoxy. That will be much better than straight epoxy.

West makes several types of fillers you can use filling holes in fiberglass or if you are filling holes in wood you can just mix a little sawdust in with the epoxy and it will match the wood color better.
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Old 15-11-2013, 21:23   #3
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Re: General Screw Hole Repair:

I also have to remind everyone that this is a fiberglass boat. I can't remember if there's foam inside or not, but I know to core some out before filling.

And yes, the mixture, not just the hardener.
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Old 15-11-2013, 21:31   #4
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Re: General Screw Hole Repair:

If you are fixing holes in the deck or hull that are stripped out and trying to keep water out of the core then that's a little different. If you want to really get it perfect go read the articles on this web site,

Compass Marine "How To" Articles Photo Gallery by Compass Marine at pbase.com

"Rebedding Deck Hardware" and "Sealing Deck Penetrations to Prevent Core Rot{.

Articles by Maine Sail, member of this and other forums.
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Old 15-11-2013, 21:41   #5
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Re: General Screw Hole Repair:

Thanks a lot Skip.
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Old 15-11-2013, 22:00   #6
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Re: General Screw Hole Repair:

One more question: After reading through the re-bedding articles, I'm wondering if before the Butyl application and refitting of hardware, do I need to epoxy my holes over and drill them through?

I suppose a simpler question is, will the butyl do the job of the epoxy mixture or do I use both?
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Old 15-11-2013, 22:24   #7
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Re: General Screw Hole Repair:

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Originally Posted by twiggsmcgee View Post
One more question: After reading through the re-bedding articles, I'm wondering if before the Butyl application and refitting of hardware, do I need to epoxy my holes over and drill them through?

I suppose a simpler question is, will the butyl do the job of the epoxy mixture or do I use both?
Nope, two separate functions. The epoxy prevent core wetting and core compression. The butyl seals the hole around the bolt/screw.
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Old 15-11-2013, 23:04   #8
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Re: General Screw Hole Repair:

After you drill the holes, counter sink each hole just a bit. It will create and butyl like washer in the hole.
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Old 16-11-2013, 07:23   #9
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Re: General Screw Hole Repair:

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Nope, two separate functions. The epoxy prevent core wetting and core compression. The butyl seals the hole around the bolt/screw.
Exactly. And if you are screwing something into the boat (of course anything taking any sort of load should be through bolted) you need a thickened epoxy for the screw to grip.

Butyl tape is kind of like really thick silly putty so is only for sealing and adds no strength or grip.
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