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Old 04-27-2010, 11:06 PM   #1
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Default small screw hole repair on dash

I have some small screw holes to repair from where my old fishfinder was mounted. What is the simplest way to do this? It's a white fiberglass dashboard. Holes are about 3/16". Thanks
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Old 04-27-2010, 11:21 PM   #2
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White Marine Tex
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Old 04-28-2010, 12:00 AM   #3
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Painted or gel coated?
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Old 04-28-2010, 04:44 AM   #4
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Have you looked at screw hole plugs or screw caps?

They sell several different types of plugs that you insert into the holes. Also, the screw covers cap the screw heads. Both will give you a finished look without having to do any repairs.
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Old 04-28-2010, 07:05 AM   #5
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Easy option: white marine tex, like mobjack22 mentioned.

Slightly more difficult option:
- Use a countersink or dremel to enlarge/clean/bevel the hole.
- Clean everything really well with acetone.
- Put a piece of clear packing tape behind the hole to prevent leaks.
- Mix your gelcoat and mek. Don't add cabosil or other thickeners because they can cause discoloration.
- Add drops of mixed gelcoat into the hole until it bulges. Do a drop at a time so you don't get air bubbles.
- Add another piece of packing tape over the top.
- When cured, pull the tape and sand by hand. Work your way from coarse to fine grits. Something like 60, 150, 220, 320, 600, 1000, 1200. Optionally follow with compound and/or polish.

Depending on the temperature, you can do a few screw holes with 10-15 minutes of effort in an hour of elapsed time. Using a gelcoat patch kit you should be able to get an almost perfect match. Just get the color you want before adding the mek.

These aren't the best pictures, but you can get an idea of the expected results.

To the left side of the vhf you can see some screw holes and torn gelcoat from where I removed an old panel.

This is after repairing with a gelcoat patch kit. The color is a near perfect match.
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Old 04-28-2010, 07:27 AM   #6
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Personally I like the flat screw plugs because they give a clean look. Marine Tex does a goog job but it will always look like a patch job. Cooper has the corect way to repair but it is alot more work.
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