IMHO The roof wrinkles look normal, my roof looks the same and the dark spots are mildew. bleach in a bug sprayer will remove it. we have that exact same thing in high humidity of southwest Florida.
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2017, 3500 Ram Big Horn, 4x4, Crew Cab, DRW, Aisin Transmission, 4:10. Curt Q20, 2014 Mountaineer 331 RLT, Sailun's on the rv and truck.
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