Mildew forms best in shady moist areas.
Can black mold grow on vinyl siding.
It could be that rainwater got trapped behind the siding or even within the material.
Another reason someone might find mildew and mold on vinyl siding is that there s moisture somewhere on or beneath the surface.
In the last couple of years i have noticed that some kind of black brown spots mold or mildew has formed on the vinyl siding especially on the north side of the house.
By the growth pattern we think this is almost certainly a dark colored algae.
The black stains on the vinyl siding shown at left may be a fungus or a black agae.
The north exposure provides the perfect conditions for this organic.
Stone is known by a number of names including rock siding stone veneer and stone facade.
While mold can be found visibly growing on the outside of siding it is most dangerous when it is found hidden under siding.
In shady moist areas mold and mildew can grow and vinyl is also vulnerable to discoloring effects from insecticides herbicides and fertilizers.
A microscopy lab examination of a sample from this surface would be needed to know for sure.
To prevent the development of mold or mildew on the exterior of your vinyl it is important that you understand why and where it is likely to grow.
Vinyl siding can be kept looking like.
Over time mold can grow on a vinyl siding because it has not been cleaned for a while.
If it involves chemicals or is physically challenging can i hire someone to remove them.
Even though vinyl is extremely hardy and durable as an exterior siding for your home mildew will form on it in areas that are in the shade or where the vinyl is exposed to moisture on an ongoing basis.
Vinyl is the easiest surface to clean and maintain but it too can become moldy.
You may have black mold and mildew or green algae growing on the north side of your home if you live north of the equator.
It is a common problem that plagues all types of homes.
Accumulated dirt grime grease and plant material can also provide the perfect breeding ground for mold.
Often unbeknown to the property owner mold can quickly spread causing a wide range of problems that can be costly to remedy.
Tree sap can cause mold on siding you may not realize the amount of sugar and sap that falls from trees and the damage it can do to your vinyl siding.
But testing is probably not justified.
It s also possible that there s a broken drain pipe or gutter constantly dripping water on the siding causing it to stay wet.
It too can attract mold just as stone does in the woods.
