For mildew killing household bleach is added to the tsp water mixture.
Clean aluminum siding tsp.
Once you ve determined what cleaning method to use try to work in the shade as much as possible.
To clean stubborn mildew you will need bleach.
You can also look for special cleaning solutions that are meant for cleaning aluminum siding at your local hardware store.
It doesn t have any odor and doesn t suds up like other cleaners.
If mold or mildew is the culprit spraying with a bleach solution will remove it.
Spray this mixture on remaining spots.
Manual cleaning is preferred.
Warm water for heavy duty cleaning to 1 cup tsp to 3 quarts warm water for ridiculously heavy duty cleaning source the savogran company.
As an experiment rub a clean white cloth across the unwashed siding.
To clean aluminum siding having mildew use a solution of one part bleach and four parts water.
It uses peroxide to brighten and renew surfaces without bleach while removing dirt and stains from mold mildew moss algae chalking and more.
How to clean aluminum siding with a power washer the correct way.
Diluted in water and applied often with a stiff scrub brush it can remove.
1 2 cup tsp to 2 gal.
Mix 2 ounces of tsp into a gallon of warm water in a chemical sprayer.
The cloth will likely come up dark gray with a layer of fine soot.
And in some cases it isn t.
Vinegar and borax are other good eco friendly alternatives for cleaning mold and mildew.
It wasn t so long ago that trisodium phosphate tsp was a go to choice for tough cleaning jobs especially on exteriors.
It s not uncommon to have a mildew problem on aluminum siding depending on where you live.
But there are some.
Even after pressure washing you may still find that a thin layer of dirt remains on the siding.
Tsp is a powerful cleaner that i use for all sorts of tough jobs from scrubbing our tile floors and kitchen cabinets before painting to washing aluminum siding.