What building materials are home to molds?

Q. Why is mold dangerous? Mold and its spores are allergens, meaning that in some people their bodies produce an extreme response in an attempt to rid the body of mold. Molds also produce toxins in their battle against bacteria. Penicillin, for example, is a concentrated form of the bacteria-killing toxin produced by the penicillium mold. These toxins also can act as poisons in humans. Certain molds can even cause infection, in the same way bacteria does. Q. What is stachybotrys chartarum (Stachybotrys atra)? Stachybotrys chartarum (also known by its synonym Stachybotrys atra) is a greenish-black mold that occurs where there is moisture from water damage, excessive humidity, water leaks, condensation, water infiltration, or flooding. Leaking roofs, leaky plumbing, sewer backups, and frequently overflowing washing machines can create environments for this mold. Constant moisture is required for its growth. Stachybotrys grows only on wood, paper and cotton products and can be found in 2% ... more