Black Mold Behind Siding

An area of the home highly susceptible to black mold and mildew growth is right under the eaves of the roof.

Black mold behind siding.

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. When called on a siding estimate suggesting to a potential client that moisture vapor is traveling through their walls and then condensing on the outside under the paint seems like the most ridiculous thing they have ever heard. Oil based stains actually feed mold. 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.

Black mold we have all seen wood sided homes that turned that death black color. Black mold is dangerous and the health affects are just now being discovered. First while the terms toxic and black mold are commonly used interchangeably only one is recognized as black mold by most professionals. He then went back out and found that when the vinyl siding was installed the contractor did no caulking.

Advice for dealing with algae or mold on outside walls. He ripped out the drywall and found extensive black mold. There are a number of ways mold spores along with moisture can seep under your siding. By the growth pattern we think this is almost certainly a dark colored algae.

In wooded or shaded areas mold is going to present itself insidiously. 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. Window headers are another area where water and mold spores can enter your siding.

Stachybotrys chartarum sometimes called stachybotrys. Black mold might accumulate depending on many variables including climate and building construction and condition. The problem is that for many years the only semi transparent wood stains on the market were oil based. Any sort of water dripping from a faulty gutter or broken drainpipe can cause mold to grow.

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. Prevent mold on vinyl siding by inspecting your gutters and drainpipes for leaks. It just looks bad. Maintain rain gutters and drainpipes.

But testing is probably not justified. 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.