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Stains From Water Running Off Aluminum Siding

At this time, we do not have a product to remove these stains. Other alternatives are pressure washing, sand blasting, or sanding.

Once the stains are gone, protect with one of the Aldon sealers. This will create a surface that will retard stain bonding and provide for easier cleaning in the future. The easiest will be one of the solvent type penetrating sealers. Whe it is time for cleaning the stains, use lacquer thinner to dissolve the sealer so that sealer and stains (which are bonded to the sealer) both are removed easily. Then reapply more sealer to prepare for the next time.

This information is provided for your research and decision making. We cannot know if it is the most appropriate answer to your situation and suggest testing and evaluation. Any information provided by Aldon is only information, not a recommendation to take any particular action.