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Had the same black streaks across the awning as in the video only darker, don't know if it was mold, smog or just dirt, but the SG removed it.
The roof was black & a bit greasy feeling, guessing smog & dirt, it did require some light scrubbing but the roof was white as snow afterwards.
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Full-timed 10+ years
Sold '13 Redwood FB
Traded '13 GMC Denali DRW D/A
Replacement undetermined
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