As rainwater and condensation accumulate on vinyl siding it can develop black spots of mold and mildew.
Remove mildew from siding.
When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a.
Whatever the type of siding algae mold and mildew are most likely to form on the north side of a house because it stays shaded and damp.
That technique is problematic when cleaning vinyl siding though because a pressure washer can force water under the siding.
These stains are primarily caused by mold and mildew.
Mold and mildew are basically two words for the same thing and cleaning them from the side of a house is usually easy with a power washer.
Dark green and brown stains on your vinyl siding can be very unattractive.
The soil just below the siding stays far moister than.
How to remove mold and mildew stains from vinyl siding.
Those surfaces on the north side of the house lose this dew last allowing the mold mildew and algae to get a drink before the next morning.
Your standard household whitener 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.
Here s a simple step by step guide on how you can get.