Common Household Molds: What to Look For

There are common household molds that every adult needs to be aware of. There are hundreds of different types of mold species in our atmosphere. We will address the primary six types of molds that affect households and indoor air quality.  Different health problems can occur depending on the type of mold to which you are exposed to. Understanding these types of common household molds, symptoms to look for and the amount of area affected. Will help you determine if a professional mold removal services are needed.

Here are the 6 Most Common Household Molds:

Alternaria  Mold

Most often alternaria is found outdoors. However, it also grows in damp places indoors. Common examples are tubs & showers, under sinks, crawl spaces and more. It is also very common in buildings that have suffered from water damage. Caution should be used, as alternaria spreads easily from one area to another.

Alternaria MoldCHARACTERISTICS: Dark green, gray, or black with long, velvety hairs.

WHERE IT GROWS: Carpet, clothing, windows, damp areas and basements

HEALTH EFFECTS: Respiratory problems, asthma, and hay fever


Aspergilus  Mold

Aspergilus is most often found indoors. It is very hard on the respiratory system and can even cause a condition called hypersensitivity pneumonitis and inflammation of the lungs. Great caution should be used as making aspergilus spore airborne can greatly affect the indoor air quality and the respiratory system of occupants. It also grows very quickly in the right conditions.

Aspergillus MoldCHARACTERISTICS: Grey, brown, yellow, green, white, or black.

WHERE IT GROWS: Walls, insulation, clothing, moist areas, crawl spaces, and basements.

HEALTH EFFECTS: Infections for people with weak immune systems. Produces a carcinogen called aflatoxin. Special care for children, elderly or Aids patients should be given.


Cladosporium  Mold

Most types of mold thrive and prefer warmer climates, cladosporium can grow easily in cool areas. Most often we see cladosporium on fabrics, clothing, carpets, and wood surfaces. Including furniture, cabinets and wood floors and substrates. Due to its powdery substance, great care should be used as spores can easily become airborne and contaminate other areas.

Cladosporium MoldCHARACTERISTICS: Green, brown, gray, or black.

WHERE IT GROWS: Food and plants, fabrics and clothing, wood and furniture, insulation

HEALTH EFFECTS: Harmful to people with asthma, allergies and weak immune systems.


Memnoniella  Mold

Memnoniella resembles stachybotrys the best, only smaller. They generally are found growing together and both considered toxic. Memnoniella spores are carried by the wind and like to settle in a moist, warm environment. This type of common household mold will continue to quickly multiply until there is a change in condition.

Memnoniella MoldCHARACTERISTICS: Dark green or black

WHERE IT GROWS: Cotton or wool, canvas, ceilings and walls, damp areas, crawl spaces, and basements.

HEALTH EFFECTS: Severe respiratory issues, headaches, and coughing


Penicillium Mold

Penicillium is the most known of all of the common household molds. Because penicillium is the mold that develops with rotten foods. It’s one of the mold types that spread quickly and easily from one area to another. Exposure to penicillium can cause allergic reactions, chronic sinus infections, and inflammation of the lungs. It can appear as a blue mold.

Pencillium MoldCHARACTERISTICS: Blue, green, white or black

WHERE IT GROWS: Food, walls, insulation, moist organic matter.

HEALTH EFFECTS: Stomach issues if ingested, congestion, coughing, and eye irritation.


Stachybotrys Chartarum Mold

Of the most commonly known household molds, is “black mold” due to its slimy black appearance. Sometimes it’s called “toxic mold”. The mold itself is not toxic. It does produce toxic compounds called mycotoxins. Leading to severe health problems when people come in contact or breath it. Stachybotrys is known for its famous musty odor and usually grows in places that stay damp for a length of time. This is the most dangerous form of mold and should always be handled by a certified mold removal specialist.

Stachybotrys Chartarum MoldCHARACTERISTICS: Black or dark green. Slimy in texture.

WHERE IT GROWS: Walls, ceilings, floors, moist areas, crawl spaces, basements, attics, air conditioning vents, and more.

HEALTH EFFECTS: May cause cancer or Alzheimer. Severe respiratory issues, headaches, asthma, dizziness, joint pain, fatigue, depression

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