Why Does Vinyl Siding Mildew

Not only does that make the siding look unclean but it can also lead to mildew because fungus often feeds on dirt and dust.

Why does vinyl siding mildew.

These leaks can get behind your siding and eventually cause mildew or mold. This may or may not mean you have excess moisture leading to mildew. If your gutters are clogged cracked split or otherwise leaking they will need to be repaired promptly in order to ensure the health of your vinyl siding. The mildew and algae are feeding on sugars dust dirt or other things that are attached to the siding.

Rust colored stainsare usually a sign that nails in the siding are rusting. Standard household cleaners won t necessarily remove mildew from siding but a solution of. As rainwater and condensation accumulate on vinyl siding it can develop black spots of mold and mildew. When mildew gains a foothold homeowners often turn to diluted chlorine bleach sodium hypochlorite a k a.

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. Stains on vinyl siding. Clogged gutters can lead to mildew growth because they will leak rainwater on specific areas of your siding. Your standard household whitener.

You re probably wondering how mildew and algae can survive on plastic or vinyl siding. 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. One of the main reasons someone might see mildew or mold on vinyl siding is that dirt has accumulated on the surface. Stains the same color as your sidingare typically caused by water streaming down siding due to damaged or misaligned gutters.