Black Mold Under Vinyl Siding

Window headers are another area where water and mold spores can enter your siding.

Black mold under vinyl siding.

But testing is probably not justified. By the growth pattern we think this is almost certainly a dark colored algae. Simply wash your siding a few times a year with a garden hose and a homemade cleaning solution to keep it looking its best. Position the ladder for safety.

Vinegar is another excellent option for cleaning mold from vinyl siding. Black mold and rotting wood under vinyl siding. Standard household cleaners won t necessarily remove mildew from siding but a solution of. Spray it on or apply it with a sponge or cloth.

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. As rainwater and condensation accumulate on vinyl siding it can develop black spots of mold and mildew. I have a serious black mold problem that has caused structural damage and i don t know where to begin. Cleaning vinyl siding is easy to do and can be accomplished with tools you already have.

Let the solution sit for a few minutes and then scrub it off. Have an assistant hand up the bucket. 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. A solution of vinegar and water safely kills mold.

How mold gets under siding there are a number of ways mold spores along with moisture can seep under your siding. The black stains on the vinyl siding shown at left may be a fungus or a black agae. A microscopy lab examination of a sample from this surface would be needed to know for sure. Black mold might accumulate depending on many variables including climate and building construction and condition.

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. 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. That technique is problematic when cleaning vinyl siding though because a pressure washer can force water under the siding. Make a solution with 30 vinegar and 70 water.

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.