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Old 03-21-2019, 07:13 PM   #1
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Round marks on exterior of my motorhome in the gelcoat

Hi people I haven't been on here for a while now... my problem is... if someone can help me the exterior finish on my 2001 Winnebago Adventurer has round like marks in a 2 foot by 4 foot area only..almost looks like woodpecker or like some threw a bunch of ball bearings at MH and they are def circles about 3/4 inch diameter indentations that when you touch them the the centre flakes out and looks like I am looking at the plywood surface underneath this is on both sides between side door and passenger side window.. I don't think it is delamination no wrinkles etc.HELP thanking you in advance and tks for your time

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Old 03-21-2019, 07:15 PM   #2
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Can you post a picture of it?

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Old 03-21-2019, 07:18 PM   #3
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Lots of RV's used one particular brand of sidewall fiberglass. Under long term sun exposure the surface cracks and breaks off. Permanent cure is to replace the whole exterior sidewall and repaint. Figure $30,000 or so.
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Old 03-21-2019, 07:43 PM   #4
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had that same exact problem in 2004 with our 2000 Itasca Suncruiser. small, circular holes roughly the size of a pencil eraser all over the exterior. our dealer noticed the problem and contacted Winnebago for us and even though the MH was out of warranty W agreed to replace all of the exterior fiberglass at their cost as they said our MH was built with "a bad batch of fiberglass". all we had to do was completely empty the MH and get it to the factory, a 7-hr one-way trip for us. we dropped it off on a saturday and picked it up the followng saturday. OP...i doubt W will do the same for you 18-yrs later but you might call W and see if they have any suggestions.
'73, Rich, N9DKO
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Old 03-23-2019, 08:47 PM   #5
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mine has the same problem be interesting to see if there is a fix beside replacing the side walls. I thought about fiberglass resin, sand and repaint. not sure I might try some small area and see what happens
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Old 03-23-2019, 08:54 PM   #6
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You sure you weren't standing to close practicing your drives using a wiffle ball?

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