Black Mold Under Vinyl Siding

A microscopy lab examination of a sample from this surface would be needed to know for sure.

Black mold under vinyl siding. It s important to wash your siding regularly to prevent mold on vinyl siding. The black stains on the vinyl siding shown at left may be a fungus or a black agae. Have an assistant hand up the bucket. That technique is problematic when cleaning vinyl siding though because a pressure washer can force water under the siding.

A solution of vinegar and water safely kills mold. Use a plastic tarp to protect landscaping close to the house when using the bleach solution. Cleaning vinyl siding is easy to do and can be accomplished with tools you already have. Window headers are another area where water and mold spores can enter your siding.

Position the ladder for safety. How mold gets under siding there are a number of ways mold spores along with moisture can seep under your siding. If mold were to accumulate on the exterior sheathing that is not a guarantee that similar growth will occur on the interior parts of the wall. For example cracks or tears in the butt joints are the perfect entryway for all types of fungi along with critters looking for a warm place to stay.

Standard household cleaners won t necessarily remove mildew from siding but a solution of. Black mold might accumulate depending on many variables including climate and building construction and condition. Simply wash your siding a few times a year with a garden hose and a homemade cleaning solution to keep it looking its best. Vinegar is another excellent option for cleaning mold from vinyl siding.

As rainwater and condensation accumulate on vinyl siding it can develop black spots of mold and mildew. About two years ago i started noticing some small signs something was going on a small spot on a living room ceiling some black showing up on vinyl siding that looked like dirt where the. By the growth pattern we think this is almost certainly a dark colored algae. Spray it on or apply it with a sponge or cloth.

I have a serious black mold problem that has caused structural damage and i don t know where to begin. But testing is probably not justified. 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. Make a solution with 30 vinegar and 70 water.

The black tar like spots that are all over your vinyl siding are more than likely a fungus called sphaerobolus stellatus better known as artillery or shotgun fungus although it s most often found on the east coast it can grow anywhere and especially thrives in areas that have cool damp springs or rainy fall weather conditions.