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. It just looks bad. Any sort of water dripping from a faulty gutter or broken drainpipe can cause mold to grow. 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. There are a number of ways mold spores along with moisture can seep under your siding.

Black mold we have all seen wood sided homes that turned that death black color. Oil based stains actually feed mold. By the growth pattern we think this is almost certainly a dark colored algae. Prevent mold on vinyl siding by inspecting your gutters and drainpipes for leaks.

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. He ripped out the drywall and found extensive black mold. Black mold is dangerous and the health affects are just now being discovered. 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.

Black mold might accumulate depending on many variables including climate and building construction and condition. A microscopy lab examination of a sample from this surface would be needed to know for sure. He then went back out and found that when the vinyl siding was installed the contractor did no caulking. But testing is probably not justified.

Stachybotrys chartarum sometimes called stachybotrys. Maintain rain gutters and drainpipes. 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. The problem is that for many years the only semi transparent wood stains on the market were oil based.

The black stains on the vinyl siding shown at left may be a fungus or a black agae. 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. In wooded or shaded areas mold is going to present itself insidiously. Advice for dealing with algae or mold on outside walls.

Window headers are another area where water and mold spores can enter your siding. Avoid leakage and overflowing of water from your gutters by cleaning out any leaves dirt or debris.