Several factors might explain why that didn t happen.
How to remove mold mildew from vinyl siding.
These stains are primarily caused by mold and mildew.
You can also use bleach to treat mold and mildew on vinyl siding by adding one quart of household bleach to each gallon of the cleaning solution above then.
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.
Dark green and brown stains on your vinyl siding can be very unattractive.
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.
Removing mold and mildew from vinyl siding to kill mold and mildew on vinyl siding apply a mold and mildew remover such as wet forget outdoor.
Standard household cleaners won t necessarily remove.
Mold removal usually requires some scrubbing and the best tool to use is a stiff bristle natural fiber scrub brush avoid metal fiber brushes they can damage the siding.
When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a.
Here s a simple step by step guide on how you can get.
How to remove mold and mildew stains from vinyl siding.