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Old 06-15-2014, 10:29 AM   #1
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Clear Coat Cracks

I was on the MH roof the other day and noticed that there are some small splits and cracks in the clear coat. They are on the edge of the roof, just before it gets to the wall/side.

Since they are on the roof edge, I don't think that any fix will be able to be seen from the ground. Any suggestions as to how to seal them would be appreciated.

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DD 500
Pulling a Honda CRV
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Old 06-15-2014, 10:46 AM   #2
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This is a common problem that cuts across many if not most manufacturers. My coach is 11 years old and this issue started appearing a couple of years ago. The only fix that will last is buffing down into the base coat and re painting & re clear coat. I just finished with this repair.

Steve Ownby
Full time since '07

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2003 Monaco Signature
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Old 06-15-2014, 01:11 PM   #3
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Me too. My clear on the radius was bubbling and failing. Not really visible from ground. In trying to remove the failing clear realized I was going to have to repaint as well. I also had some hairline cracks in the fiberglass. I sanded enough to remove failed clear, used marine text to fill the fiberglass cracks, sanded again. I then masked side of coach with plastic with tape already attached. Primed and painted with matching paint. I then used KBS diamond coat clear. This sounds like a lot of work and although it is, honestly just took a few days. The finished product does not have to be perfect so there is not that much stress. I used automotive spray guns I already had. I found on that top radius the paint and clear was thin.

Hope this helps
American Revolution 40L CAT C9
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Old 06-15-2014, 02:02 PM   #4
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If not bad just use some 600 grit paper with water to smooth things out and use a good automotive rattle can clear to recoat. Mine has lasted two years with no issues.
Myron & Deborah
08 HR Endeavor 40 SKQ
2012 Ford Edge Limited FWD 3.5L
Aluminator tow bar, Demco base plate
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Old 06-15-2014, 03:36 PM   #5
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BTW, if like mine, do not assume cracks are only in clear. I had surface cracks in the fiberglass. Give one of them a light sanding as suggested below and determine how deep cracks are. Like I said above, I used Marine-Tex to repair these hairline cracks.

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