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Old 09-11-2016, 08:25 AM   #1
Junior Member
Join Date: Sep 2016
Location: DeKalb, Illinois
Posts: 2
Exterior Stains below Windows

2012 Wildwood 29BHBS
I have exterior stains and sticky goo drips below several of my windows. The person we purchased the unit from had it stored outside. The side with most of the staining was exposed to the sun for an extended period (southern exposure).

An RV dealer said this was caused by the type of sealer used around the windows and it was an industry problem back then.

Power washing didn't do anything. Can anyone recommend a product that will remove the stains, and the gooey drips without damaging the exterior finish?

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Old 09-23-2016, 06:47 AM   #2
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Join Date: May 2013
Location: Georgia
Posts: 430
I have a Class C that gets black staining below windows, down the back and other places. It is from the dirt that runs off the roof when it rains. Simple washing doesn't remove it. I sprayed with with Simple Green, let it set for 15 or 20 seconds and then wiped with a rag and it came right off. I think you have to be careful with Simple Green though, someone mentioned it may take the stickers/graphics off too. So don't let it sit too long before rinsing. Hope this helps.

2014 Sunseeker 2860DS
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Old 09-23-2016, 07:36 AM   #3
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A product I have found that seems to clean anything is Awesome found at the dollar store
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