fiberglassing - Fiberglass RV


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Old 07-18-2013, 11:58 PM   #1
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fiberglassing

Help. Please......

Hello, I was wondering if there was someone out there (and I know there is lol) or anybody out there know the best procedure on how to fill all the rivet holes in the boler. Then I would like to start fresh and redrill and rivet new holes so everything is fresh and new when I repaint. I know it might be tedious work but that's what I would like to do.



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Old 07-19-2013, 12:30 AM   #2
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Most people use marine-tex it seems like. Why are you filling them, moving them to a new spot?
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Old 07-19-2013, 12:56 AM   #3
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I just filled a bunch with normal 2 part auto body filler.
When the filler was almost dry I went over them with laquar thinner.
This removes the access material and smooths the finish with no sanding requiried. Then went to the auto shop and picked up a touch up paint that comes with the small brush and dabbed the spots. Leaves the area hardly noticeable.
On the inside just cut the access off flush with the interior finish and dab just a spot of paint on, again hardy noticeable.
Fred
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Old 07-19-2013, 04:33 AM   #4
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PC-7 and PC-11 are two part epoxys that work very well to seal holes in fiberglass. PC -7 has the consistency of play dough while PC-11 is closer to tooth paste. I've used the latter injected with a plastic syringe to fill holes. Since you don't have access to both sides of the hole, the PC-7 might be a better choice as it's less likely to spread. In both cases the filled holes will show unless painted. Good luck, Raz
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Old 07-19-2013, 08:48 AM   #5
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I'm not sure why you would want to remove, patch and replace all the rivets. Can you explain the logic?

Putting a new rivet back into a hole that has been repaired may not be a strong as the original. If the holes have enlarged, simply use a wider / thicker rivet, they come in all sizes.
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Old 07-20-2013, 03:21 PM   #6
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I don't understand why you would want a rivet hole either. I can't fathom the need for rivets. They seem like problems waiting to happen.

I would remove anything in the interior attached by rivets, fill fair and paint or gel coat the holes and epoxy in some wood to mount anything I needed attached on the inside.

That might be more work than you would want to do but it would remove those potential leaks.

Another option is to glass over them.
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Old 07-20-2013, 03:23 PM   #7
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Quote:
Originally Posted by Jared J View Post
Most people use marine-tex it seems like. Why are you filling them, moving them to a new spot?
Marine tex is a cheesy option typically used only for emergency repairs. Real epoxy is the appropriate material.
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Old 07-21-2013, 12:05 AM   #8
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Originally Posted by Night Sailor View Post

Marine tex is a cheesy option typically used only for emergency repairs. Real epoxy is the appropriate material.
Many people on here have used it, haven't heard of one leak or problem. Glass and resin is the appropriate material, if we're going to get picky.
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Old 07-21-2013, 07:30 AM   #9
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Glassing in the two vent holes on the boler
. Leaving the fridge vent for ventalation. So there are holes there from the screws and that's what I'm filling. I think I'll go the mat resin method seems the easiest and less material to use. I know there are way better methods on filling holes but I want cheapest and easiest but with good structural bond. I have lots of mat so I'll have to buy more resin.
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