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Old 11-25-2021, 02:15 PM   #21
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Join Date: Aug 2020
Location: Chesapeake
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Originally Posted by TomTerrific View Post
Not an airfoil. Definitely related to one sheet of roofing. I'll keep scrubbing. Maybe a little bleach ..
Yeah I guess at $3000 an hour to rent a wind tunnel Id probably try the 409 first maybe keep it as a backup plan
2020 Cougar 315 RLS
2020 Ram 3500 6.7HO 4.10 Dually Aisin
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Old 11-25-2021, 02:27 PM   #22
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Here's what Alpha products says about the streaks at the seams.
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Old Yesterday, 09:09 AM   #23
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Join Date: May 2020
Location: Cincinnati
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Call the Roof Manufacture

Hi had dark strips on at the seems of my roof. I called the roof manufacture and they assured me everything was okay and recommended cleaning it. I asked about using Dawn dish soap and they said that it could be used. I also asked about 'Wet and Forget', they didn't have any information on it but didn't think it would cause any issues with the membrane. After washing my roof and spraying on the Wet and Forget, my roof looks great.
My recommendation, review the manufactures FAQ found on their website and call them.
Good Luck
John Cincinnati, Ohio
2020 Passport 3100BH
2022 Silverado 4x4 2500 HD
6.6 Duramax Diesel
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