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Fire & Water - Cleanup & Restoration

Types of Mold Found Indoors

10/22/2018 (Permalink)

Mold can be found everywhere, indoors and out. There are over 10,000 different species of mold, but out of this massive group, only 5 genera of mold are commonly found indoors

  1. Alternaria: Spores from this type of mold are in their highest concentration from spring to late fall in most areas. It is well known as an allergy causing mold and can trigger allergic reactions or asthma attacks. It has a coloring that can range from black to grey to dark brown.
  2. Aspergillus: This mold is one of the most common types that we find indoors. There are over 200 different species in type of mold, but only about 16 of them are known to pose a health risk. It can cause allergic reactions and infections in folks with weak immune systems. It is often mistaken for “toxic black mold” because it can appear black in color, but it also comes in a variety of other shades including grey, brown, yellow, green, and white.
  3. Cladosporium: Mold from this genus is also one of the most common molds found indoors. It can survive in colder temperatures than other molds, and it is rarely harmful to people. Of course, the spores can still cause allergic reactions, so you don’t want to let it begin growing in your house. This mold is generally a dark olive green or black in color.
  4. Penicillium: If this genus of mold sounds familiar, it may be because some members of this group are used to produce penicillin and create antibiotics! Other species in this genus are used for cheese making as well! This type of mold likes to inhabit carpeting, wallpaper, drywall, and insulation. It is usually blue or green, and it often creates a musty odor.
  5. Stachybotry chartarum: Also known as “black mold,” this type of mold produces mycotoxins (toxic compounds) that are harmful to humans. While the mold produces toxins, the mold itself is not actually toxic. Even so, you should have it removed as quickly as possible. This type of mold usually only appears on surfaces that have been in contact with water for a while, so always be sure to check your home for hidden leaks. Despite the phrase “black mold” this mold is actually a very dark green.

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