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Old 03-29-2014, 11:15 PM   #1
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How to Repair minor delamination?

I have some minor delimitation in a couple areas on my coach. About the size of a basketball. I am afraid it is going to get worse if I don't do something about it soon. Any advice on how I can repair this? My thought was to drill a 1/2" hole in the center just to break through the glass, and squirt in some heavy duty adhesive, let it set up and just repair the small hole. Does that make any sense?

Thank You in advance!
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Old 03-30-2014, 03:30 AM   #2
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Can't answer directly but there are kits available and professionals offering their services, various ads around irv2, but, before getting carried away, what is the cause?

If manufacturing, ie poor bond, then carry on, but delam is often caused by water ingress, so first the leak needs identified and fixed, then the delam section allowed to dry out before repairing. We had a tiny bit on our last RV, tiny tiny leak round the refrigerator vent. After fixing it shrank back a bit after drying and taking proffesional advice, from a tech I trust implicitly, we left alone, not to visibly but being fairly small it was felt any repair would fail, fiber glass outer skin undamaged, so leave alone.
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Old 03-30-2014, 03:36 AM   #3
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Here's a link to some previous threads which may assist .

https://www.google.com/search?q=Dela...earch=irv2.com
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Old 03-30-2014, 05:11 PM   #4
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Originally Posted by Dodgey View Post
Can't answer directly but there are kits available and professionals offering their services, various ads around irv2, but, before getting carried away, what is the cause?

If manufacturing, ie poor bond, then carry on, but delam is often caused by water ingress, so first the leak needs identified and fixed, then the delam section allowed to dry out before repairing. We had a tiny bit on our last RV, tiny tiny leak round the refrigerator vent. After fixing it shrank back a bit after drying and taking proffesional advice, from a tech I trust implicitly, we left alone, not to visibly but being fairly small it was felt any repair would fail, fiber glass outer skin undamaged, so leave alone.
Thanks for the response. It was a minor water leak that has since been repaired and is plenty dried out. I was just curious if others have attempted to fix small areas themselves.
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Old 03-30-2014, 05:25 PM   #5
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A basketball-sized area doesn't sound that "small to me!

Without pics, it's hard to say how hard it'll be to repair. If it's raised enough that you can see actual swelling/rounding of the surface, the laminate skin might have stretched to the point that it will never lie flat again.

The other thing is, the surface from which it came unglued might need replacing, since it's likely water damaged and if the usual luan may well be itself delaminated.
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Old 03-31-2014, 06:13 PM   #6
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A basketball-sized area doesn't sound that "small to me!

Without pics, it's hard to say how hard it'll be to repair. If it's raised enough that you can see actual swelling/rounding of the surface, the laminate skin might have stretched to the point that it will never lie flat again.

The other thing is, the surface from which it came unglued might need replacing, since it's likely water damaged and if the usual luan may well be itself delaminated.
You may be correct. It may never lay flat the way it is. Fiberglass is easy to work with for a professional. I may end up just taking it to someone and having them do the best they can with it.
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Old 03-31-2014, 06:25 PM   #7
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Quote:
Originally Posted by broadsword View Post
I have some minor delimitation in a couple areas on my coach. About the size of a basketball. I am afraid it is going to get worse if I don't do something about it soon. Any advice on how I can repair this? My thought was to drill a 1/2" hole in the center just to break through the glass, and squirt in some heavy duty adhesive, let it set up and just repair the small hole. Does that make any sense?

Thank You in advance!
You will find many solutions and repairs to fiberglass at this website: Repairing Surface Damage
One of the methods to repair what you describe, is to do exactly as you said. Before you begin, park your RV close to a tree or other immovable object. Then after you've performed your adhesive injection, place a small jack between the RV and Tree/immovable object so you may gently flatten out the "bubble" in the fiberglass wall. After the adhesive is completely dry, remove jack/bracing and patch the injection hole.
If you decide to have a fiberglass repair shop do the work, investigate thoroughly. It took me 2 weeks to locate a reputable auto-body shop with expertise in fiberglass repair and re-construction.
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Old 04-01-2014, 07:30 AM   #8
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You may also want to check this out RV Delamination Repair Kits -Composet Products L.L.C.
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