What Causes Mold On Vinyl Siding

Stucco is a cement mixture that includes water which attracts mold.

What causes mold on vinyl siding.

The fungus reproduces by mold spores which are carried by air currents. If vinyl shows green discoloration or staining typically one of two things is responsible. Any moisture coming from your clothes dryer exhaust will produce steam causing mold and mildew to form. Distinguishing the type of stain found on siding is useful in deciding on the cause and thus the cure or prevention of staining.

Vinyl siding stain diagnosis. Metals such as aluminum and steel can rust from excessive moisture. Check areas above your duct vent to make sure moisture is not accumulating to prevent mold on vinyl siding. Maintain rain gutters and drainpipes any sort of water dripping from a faulty gutter or broken drainpipe can cause mold to grow.

Mold can grow on nearly any surface where moisture is present including the underside of siding where moisture is present. That technique is problematic when cleaning vinyl siding though because a pressure washer can force water under the siding. Mold prefers warm damp and humid conditions which allow it to effectively proliferate and spread. This article discusses common causes of stains or discoloration found on vinyl building siding.

Continue reading below our video of the day tip 2 schedule regular inspections. You might notice that the northern side of your home is where you experience the most mold mildew build up on your siding. Water dripping onto the area typically causes green mold on your siding. Not only does that make the siding look unclean but it can also lead to mildew because fungus often feeds on dirt and dust.

In shady moist areas mold and mildew can grow and vinyl is also vulnerable to discoloring effects from insecticides herbicides and fertilizers. 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. Buildup of dirt one of the main reasons someone might see mildew or mold on vinyl siding is that dirt has accumulated on the surface. It too can attract mold just as stone does in the woods.

In addition vinyl siding s finish may be marred. Mildew forms best in shady moist areas. Dirt from rain splash up algae lichens mold moss or even smoke or chemical stains have different causes and different preventative measures. When installed properly vinyl siding can withstand 180 mile per hour winds and look good doing it.

However there are some very common causes of moldy siding that homeowners can face. However no siding material is entirely maintenance free.