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Old 03-04-2007, 07:51 AM   #1
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Default wallowed out screw holes in fibreglass

The screw holes behind my instrument panel were wallowed out when I bought my boat. I tried patching w. marinetex, but it just chips back out again. How do I fill those holes so the panel doesnt bounce around.

Have the same problem w. the bow rail. I have used the fittings similar to wallboard fittings..but the darned things are about $5 apiece it seems like, and there are about 30 screws.

Not a fiberglass wizard at all...

Thanks!

tt
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Old 03-04-2007, 08:09 AM   #2
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Default RE: wallowed out screw holes in fibreglass

I had a couple that were loose around the legs of my T Top and this is what I did.

I went to the local West Marine and got a kit from them where I mixed up the epoxy with some filler in it. I pre drilled the hole a little and pushed a small wood peg all the way down in the hole bot the point where it would not fall through, I then filled it with the mixture and let it cure a couple of days.

I then predrilled my pilot holes and re installed the screws and it is rock solid,I would figure the same method would work for you situation, maybe even better if you can get behind the panel
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Old 03-04-2007, 08:13 AM   #3
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Default Re: wallowed out screw holes in fibreglass

West Systems has a booklet on fiberglass repair for ~$5. I bought mine at West Marine. Also try westsystem.com & the MAS website. Also do a search here on THT. There is much info written on this. Good luck.
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Old 03-04-2007, 09:10 AM   #4
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Default Re: wallowed out screw holes in fibreglass

Good advice with the West Sytem. It is the right way to fix what you are trying to do. If you are going to do a lot of stuff in the near future, invest in the quart can system with the measuring pumps otherwise for those small jobs the packet kits are nice. These guys have good prices and carry most West products: http://www.jamestowndistributors.com...tegoryId%7E203
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Old 03-04-2007, 11:03 AM   #5
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Default RE: wallowed out screw holes in fibreglass

thanks to all...went to the west marine site, and they have the answers..haven't searched tht yet..never think to do that....duh..t
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Old 03-04-2007, 11:16 AM   #6
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Default Re: wallowed out screw holes in fibreglass

If you can get behind you can put something to screw into or thru bolt it. Sometimes this is very easy.......access depending.
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Old 03-04-2007, 11:38 AM   #7
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Default Re: wallowed out screw holes in fibreglass

the rules for using STS (self tapping screws):

Correct sized pilot hole, counter sink the pilot to keep the gelcoat from cracking, every fastener gets a daub of silicone (or life seal or the like), do not over tighten

For the worn out holes, if there are only a few, and going up a size is not an option, taper a coffee stirrer, and jam it in the hole, trim it flush with a pair of dykes, refasten.

If I have a bunch to do, Drill them out to 3/16, taper a 1/4" dowel (or a pencil), and jam it in with a little 5min epoxy, let cure, and trim flush, refasten
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Old 03-04-2007, 12:05 PM   #8
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Default Re: wallowed out screw holes in fibreglass

I had the same problem and fixed it with the SS 'clips' that slip over the edge of the console and allow me to screw into them. The only problem I had was one hole was too far from the edge for the clip to fit over. These clips come with speakers and stereo head units, but you should be able to purchase them separately. Good luck, Frank
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Old 03-04-2007, 06:24 PM   #9
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Default Re: wallowed out screw holes in fibreglass

I had the same problem and just epoxyed a piece of marine plywood behind each hole. Now the screws have more to bite into.
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