What Causes Mold On Vinyl Siding

Dirt from rain splash up algae lichens mold moss or even smoke or chemical stains have different causes and different preventative measures.

What causes mold on vinyl siding.

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. In addition vinyl siding s finish may be marred. You might notice that the northern side of your home is where you experience the most mold mildew build up on your siding. 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.

Not only does that make the siding look unclean but it can also lead to mildew because fungus often feeds on dirt and dust. Mold prefers warm damp and humid conditions which allow it to effectively proliferate and spread. Oftentimes homeowners find that mold grows on their siding where there s shade covering the home or where sunlight is limited. That technique is problematic when cleaning vinyl siding though because a pressure washer can force water under the siding.

It too can attract mold just as stone does in the woods. However no siding material is entirely maintenance free. The fungus reproduces by mold spores which are carried by air currents. Distinguishing the type of stain found on siding is useful in deciding on the cause and thus the cure or prevention of staining.

Mold and mildew are basically two words for the same thing and cleaning them from the side of a house is usually easy with a power washer. Stucco is a cement mixture that includes water which attracts mold. However there are some very common causes of moldy siding that homeowners can face. Continue reading below our video of the day tip 2 schedule regular inspections.

In shady moist areas mold and mildew can grow and vinyl is also vulnerable to discoloring effects from insecticides herbicides and fertilizers. Metals such as aluminum and steel can rust from excessive moisture. Maintain rain gutters and drainpipes any sort of water dripping from a faulty gutter or broken drainpipe can cause mold to grow. Any moisture coming from your clothes dryer exhaust will produce steam causing mold and mildew to form.

Mildew forms best in shady moist areas. Vinyl siding stain diagnosis. If vinyl shows green discoloration or staining typically one of two things is responsible. When installed properly vinyl siding can withstand 180 mile per hour winds and look good doing it.

This article discusses common causes of stains or discoloration found on vinyl building siding. Mold can grow on nearly any surface where moisture is present including the underside of siding where moisture is present.