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Old 12-31-2012, 05:17 PM   #1
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Yellowing paintwork

I have a 2003 Winnebago bought last February. Kept it under cover during the summer (Florida) as had to return to UK. Arrived back here this month and most of the white paintwork has gone yellow. Any suggestions as to how to turn it back to what it should be
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Old 12-31-2012, 07:23 PM   #2
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My first thought would be the wax or coating that was put on.
I have read about some gel-coats on fiberglass yellowing.

A web search gives a lot of different remedies.
Wish I had a better reply.
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Old 01-01-2013, 07:17 AM   #3
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You can try using a fine cut 3-M product with a foam pad on a buffer, Do a little 2x2 area and see if any difference, If not wet sand a area with 2 micron sand paper. making sure you keep the area wet when sanding. And rebuff You will probally have a total investment of about 400 dollars in polisher and foam pads etc. but beats paying for a new paint job Good luck.... Joe
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Old 01-01-2013, 09:40 AM   #4
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Use a good cleaner/wax on the surfaces that have yellowed. I have had the same problem with most of our MHs. They seem to want your undivided attention all the time. Ha! Ha!
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Old 01-01-2013, 11:01 AM   #5
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Quote:
Originally Posted by Johnshepp View Post
I have a 2003 Winnebago bought last February. Kept it under cover during the summer (Florida) as had to return to UK. Arrived back here this month and most of the white paintwork has gone yellow. Any suggestions as to how to turn it back to what it should be
I'm guessing the white on your 2003 Winnebago isn't paint, but gel coated fiberglass. Paint was only used on the very highest-end coaches prior to 2003-4.

I have had good success on our oxidized fiberglass roof with Meguiar's Fiberglass Oxidation Removal Kit. It contains oxidation remover to get rid of the yellow and dull finish, polish to bring back the shine and wax to protect the surface.
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Old 01-03-2013, 08:57 PM   #6
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Some plastics, and lower grade gelcoat fiberglass (like often found on entry doors) yellows. Once it yellows, there's literally NOTHING that can be done short of painting it.
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