A stain on your residence siding will constantly prevail, specifically without routine upkeep on your home. Part of the challenge of staining is attempting to identify who the culprit is since there are a variety of different types. In this article, our objective is to inform you of the kind of contaminants most typically discovered on the side of your house and what has a tendency to create them.

Common Stains on Exterior Siding


Dirt is one of the most basic discolorations you will see on your residence. There are a great deal of manners ins which dirt connects itself to your exterior siding, a few of which are caused by the elements. For instance, if there is a hefty tornado with a great deal of wind, loosened up dirt and mud can be blown onto the exterior of your house. The other way you can permit dirt to wind up on your exterior siding is while you are landscaping or something similar around your house.


If you are seeing green stuff on your residence siding, mainly positioned on the northside of the home, it indicates that algae has attached itself to your exterior siding. Algae is among one of the most common pollutants that property owners will see on their houses. The origins of algae on outside home siding are not always clear, yet one of the most typical sources comes from bodies of water. As an instance, Lake Erie houses experience great deals of algal flowering that is increased by drainage into the lake. This air contamination permits the algae to feed and expand, then becomes airborne and starts to attach itself to and feed off the dirt on your exterior siding. While algae will not cause any sort of architectural damages, it can install itself right into the home siding if it is not taken care of.

Mold and Mildew

Mold and mildew on the siding are brought on by the buildup of dampness on the exterior siding. The opportunity of mold and mildew expanding on house siding rises when the moisture originates from an area of the house that gets little to no sunshine. Like algae, mold and mildew feed off the dirt that is presently on the exterior siding. Both mold and mildew are fungi, nonetheless, they have various desires. Mold is generally green and black in color while mildew tends to range from white to yellow. Mold and mildew require to be removed quickly as a result of the health risks it offers.

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