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Old 29-03-2015, 15:01   #1
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Wetting out horizontal holes?

So, we are replacing the rubber in our rub rail. Before inserting the new rubber I am going to remove the track and inspect all of the screw and bolt holes. If I need to repair any of those I would plan to drill out and fill with thickened epoxy. However, if the standard practice is to wet out the holes first w/unthickened epoxy, how does one keep the unthickened epoxy in the horizontal hole for a few minutes? And then what's the easiest way to get it out?


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Old 29-03-2015, 15:11   #2
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Re: Wetting out horizontal holes?

Q-Tip to wet the walls, then thickened filler filled.
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Old 29-03-2015, 17:04   #3
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Re: Wetting out horizontal holes?

After drilling, I place white Duck tape over the inside and outside of the hole. Then I drill a tiny hole in the tape at the most vertical aspect of the drilled hole and inject thickened epoxy with a 5cc syringe (most pharmacies will give you a half dozen free.) Then place another piece of tape over the small hole to keep the epoxy from escaping.

It isn't a bad idea to wet any exposed wooden core with unthickened epoxy with a Q tip first to seal the core, but it's probably unnecessary and will likely be messy.

Read Mainesail's articles on drilling and filling. Note that you only drill as large a hole as you need for the hardware, then remove an extra ream of core with a dremel tool, keeping the outer fiberglass skin intact which provides extra strength. Also, when sealing use butyl tape as he directs (and sells) after chamfering the edge to get a good butyl seal.
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Old 30-03-2015, 01:48   #4
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Re: Wetting out horizontal holes?

Google west system epoxy. They have some nice guides to using epoxy for various projects. For the most part their guides will work with any brand.


But otherwise, yes, a q-tip or small paint brush (depending on the hole size).
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Old 30-03-2015, 03:12   #5
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Thumbs up Re: Wetting out horizontal holes?

I tried using tape it works with some epoxy
Now use international everdure because it is a lot thinner
Like water & soaks in far deeper.
However tape will not work because
Everdure eats the adhesive.
The solution is modelling clay, build a small
dam with the top wall above the height of the hole
& drip or inject in the fluid.
The other side is covered with a blob of clay
to close off the hole.
Also works with vertical holes but only the
lower hole needs to be closed.
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Old 30-03-2015, 08:37   #6
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Re: Wetting out horizontal holes?

Epoxy is tacky and Q tips disintegrate quickly. I use pipe cleaners, you can bend them back however many times and twist slightly to get the thickness and rigidity you require, also can put a 90 degree bend in bottom to get at underside of laminate if you need to.
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Old 30-03-2015, 09:54   #7
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Re: Wetting out horizontal holes?

Thanks for the ideas all!! Much appreciated!


Happy sailing, everyone!!
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