F9 Roof Rust Stain

[Mark 8262]

Will F9 work to remove rust stains from asphalt shingles? If not, anyone have any suggestions

 

[Chris Dubbs]

Will F9 work to remove rust stains from asphalt shingles? If not, anyone have any suggestions

Yes, but keep them wet and rinse well or they will get a white hue to them.


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[Mark 8262]

Yes, but keep them wet and rinse well or they will get a white hue to them.


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Thanks Chris,

 

[Renew roof]

F-9 works great for cleaning rust off from shingles. Mix it with water at 50/50, make sure the shingles are dry. Spray on affected areas and let sit for a few minutes (do not let dry) then spray affected areas again, let dwell for another few minutes (do not let dry) then rinse.