Black Mold Behind Siding

Oil based stains actually feed mold.

Black mold behind siding.

There are a number of ways mold spores along with moisture can seep under your siding. In wooded or shaded areas mold is going to present itself insidiously. Avoid leakage and overflowing of water from your gutters by cleaning out any leaves dirt or debris. 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.

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. A microscopy lab examination of a sample from this surface would be needed to know for sure. Advice for dealing with algae or mold on outside walls. The problem is that for many years the only semi transparent wood stains on the market were oil based.

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. The black stains on the vinyl siding shown at left may be a fungus or a black agae. 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. Since it was winter when the problem was found we decided to have him caulk the exterior rip out the damaged drywall and affected insulation and seal the area back up until spring when we can address it from both inside and outside.

Black mold we have all seen wood sided homes that turned that death black color. Prevent mold on vinyl siding by inspecting your gutters and drainpipes for leaks. He ripped out the drywall and found extensive black mold. But testing is probably not justified.

He then went back out and found that when the vinyl siding was installed the contractor did no caulking. Stachybotrys chartarum sometimes called stachybotrys. Shaded from the light and ultraviolet rays of the sun trapped moisture provides the. Maintain rain gutters and drainpipes.

Black mold might accumulate depending on many variables including climate and building construction and condition. Window headers are another area where water and mold spores can enter your siding. By the growth pattern we think this is almost certainly a dark colored algae. 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.

Any sort of water dripping from a faulty gutter or broken drainpipe can cause mold to grow. First while the terms toxic and black mold are commonly used interchangeably only one is recognized as black mold by most professionals.