Window headers are another area where water and mold spores can enter your siding.
Mold on bottom of siding.
In short to remove mold from you siding you should scrub the moldy area with your cleaning solution and let it soak for a few minutes before rinsing thoroughly.
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.
The safe and effective way to clean the wood is oxygen bleach.
Removing the the wood mold with oxygen bleach.
Several factors might explain why that didn t happen.
Depending on the severity of the mold you may need to repeat the process until the area is free of mold.
Bleach has long been the go to cleaner for mold because chlorine kills mold on contact.
The oxygen bleach comes as a granular powder that mixes with water.
Shadows moisture variations that collect or don t collect dust on siding even roof leaks or air leaks through building walls can often be diagnosed by a close look at wall stain patterns discussed here.
It is non toxic to trees and vegetation and will not remove natural color from the siding.
Not all vinyl siding manufacturers recommend pressure washing their products so it s.
Dirt from rain splash up algae lichens mold moss or even smoke or chemical stains have different causes and different preventative measures.