If mold or mildew is the culprit spraying with a bleach solution will remove it.
Oxiclean aluminum siding.
Oxiclean is not recommended for use on rust.
Aluminum siding oxygen bleach such as oxiclean is safe to use on aluminum siding and effectively removes mold and mildew that can damage aluminum surfaces.
To clean aluminum siding having mildew use a solution of one part bleach and four parts water.
Use oxiclean as directed and scrub surfaces where mold has discolored the material.
There may be stains that are caused by mold and mildew.
I recently found out that aluminum siding oxidizes over time giving it a chalky appearance.
Spray this mixture on remaining spots.
This oxidation can t be removed by power washing alone.
Oxygen is a major ingredient in oxiclean and an essential contributor to rust.
Say goodbye to pesky everyday stains odors with oxiclean the 1 stain fighter brand based on units sold with the widest selection of stain removal solutions.
If you go to the very end of the video you will see a completed photo when the wood is d.
Cleaning aluminum siding mildew.