When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a.
Bleach mildew siding.
It even removes mildew from vinyl siding.
When substituting the two ingredients replace the one quart of chlorine bleach with one cup of oxygen bleach.
Set your pump sprayer s nozzle to a wide pattern and evenly spray the bleach water solution onto the wet vinyl siding.
Always wear protective clothing and read warning labels before use for the best results.
Bleach is commonly used to clean dirty siding and is especially effective at remove mold mildew and algae from the surface.
This should be your rule of thumb for most mildew removal projects.
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.
Cleaning vinyl siding will preserve the appearance of the exterior of your home.
Trisodium phosphate is another effective cleanser.
Depending on the size of the area you want to clean you ll need a larger quantity of the solution.
Oxygen bleach is a much less caustic form of bleach that also rids siding of mold and mildew.
Hydrogen peroxide or oxygen bleach is less volatile will not affect foliage and can clean mildew algae and dirt on and below the surface.
If this is the first time cleaning vinyl siding with bleach water you might want to try a small section to test how long you will need to leave the solution on the siding before rinsing.
I find that ten minutes is just right.
It does not damage plants when spraying either and is safe to add around landscaping.
Clean aluminum siding and stubborn mildew with bleach for stubborn mildew or heavy staining bleach is perfect.
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