If mold or mildew is the culprit spraying with a bleach solution will remove it.
Cleaning mildew off aluminum siding.
Choose your cleaning solution.
Courtesy of rust oleum when mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a.
For a stronger solution mix.
Remove mold from aluminum siding with borax banish light mildew mold and chalky build up from aluminum siding by cleaning with trisodium phosphate or borax.
Your standard household whitener.
Once you ve determined what cleaning method to use try to work in the shade as much as possible.
While a pressure washer is a fast way to remove dirt it is not recommended for use on all siding types or for a light cleaning.
Some good vinyl sider cleaner solutions include.
Spray with 30 seconds outdoor cleaner wait a few minutes then rinse off with a hose.
It s not uncommon to have a mildew problem on aluminum siding depending on where you live.
The main types of siding are aluminum wood brick stucco and the most popular siding vinyl.
To clean stubborn mildew you will need bleach.
No need to pressure wash or scrub.
Vinegar and borax are other good eco friendly alternatives for cleaning mold and mildew.
Hose down the side of the house with a garden hose on its strongest setting.
70 water 30 white vinegar makes a great all purpose vinyl siding cleaner that removes light mold and mildew stains.
You can also look for special cleaning solutions that are meant for cleaning aluminum siding at your local hardware store.
Trisodium phosphate is powerful so be cautious.
Rinse off as much of the mold as possible.
To clean aluminum siding having mildew use a solution of one part bleach and four parts water.
Remove stubborn mold with a power washer making sure the jet stream is not so powerful that it damages the aluminum siding.
Like using homemade deck cleaner with borax there are eco friendly alternatives for cleaning without bleach or store bought chemicals.
It appears to make mildew vanish but on porous surfaces such as wood or vinyl siding chlorine evaporates too quickly to get to the fungi s roots guaranteeing regrowth.
Check your siding first for signs of mildew chalking and needed repairs.