Common Types of Mold in the House

 Most Common House Molds

Mold grows in nearly every building, and is a problem that all homeowners must worry about. Mold eats natural materials to break them down back into the earth, but no one wants their home to be broken down by mold. Additionally, mold presents many health risks that can be serious, depending upon the type and amount of mold present. However, the savvy homeowner can avoid these problems by knowing the most common kinds of mold, and where to look for them.

Common Types of Mold

Mold is categorized into three major groups: allergenic, pathogenic, and toxigenic. Allergenic mold is relatively mild, and produce irritating allergy-like symptoms; pathogenic mold only pose a serious risk to those with already weakened immune systems. Toxigenic mold can be a serious threat to anyone, regardless of the strength of their immune system.

The four major types of mold that you can find are in your house:


1. Aspergillus: This is a very common type of house mold and there are more than 150 sub types of this found in nature. This mold likes to grow on organic items that are stored and left undisturbed for long duration.

Many people use their houses to store grains, fabrics made of plant-based materials, and even use cotton based items in their house and these are favorites of this kind of mold. You can identify them easily since they grow in a circular manner and are also light in color.


2. Cladosporium: This kind of mold is found in about 30 variants and these specifically like to grow on surfaces like plywood, paint, and fiberglass. This mold needs high humidity of nearly 50% and also grow in a very peculiar way that is again quite easily identifiable.

They are dark in color and may be completely black or even green in appearance. The easiest way to identify them is by focusing on their texture as they seem powdery.

3. Stachybotrys: This type of house mold is commonly known as ‘black’ mold, and also called toxic black mold. These can mostly be found around leaky pipes or in water damaged areas. Many people have even seen Stachybotrys without knowing what it is; this kind of mold appears black and shiny and grows in streaks.

One thing about Stachybotrys is that its growth is very slow and only flourishes if a water-damaged area is left untreated for a long time. It is important to get rid strachybotrys as early as possible as it releases mycotoxins that cause various health issues.

If a person spots Stachybotrys growth in their house, it is a good idea for them to consult a professional who will remove them effectively and fast because these types of mold also create favorable conditions for the other molds to grow.

4. Fusarium: The fourth major type of house mold; Fusarium likes to grow in the soil or on plants. These are also quite common as they are found in more than 70 variants. One special need for these molds are very wet areas where they can grow and keeping the house dry can lessen the possibility.

Effects of Mold

Mold can be quite harmful to the property and to the health of people and pets and it is a good idea to learn about it so it is identified in time. A mold infested house is the last place anyone will want to live. Mold, whether living or dead, can be very dangerous to one’s health. Molds can affect every person and pet living in the infested house.

Symptoms of Mold Exposure

Typical symptoms of exposure to these fungi include runny nose, sneezing, and coughing common with a mold allergy, skin irritation, headaches, a sore throat, and difficulty breathing. Some people experience symptoms that are more severe including sinus infections, asthma attacks, and joint pain. The most serious reactions include pneumonia, bleeding in lungs, and depression. These can be life-threatening and require professional treatment and limiting exposure to the fungi.

Infants, young children, individuals with existing health issues, and the elderly are at highest risk of suffering from exposure. This includes people with chronic respiratory conditions such as asthma or emphysema or individuals whose immune systems are compromised due to AIDS, HIV, or ongoing chemotherapy treatments. However, even adults who are otherwise healthy can experience reactions to exposure to the fungi.

Humans are not the only species that can have a reaction to these fungi. Pets, particularly small ones, can become sick when exposed to it. Symptoms in pets include runny eyes, wheezing, sneezing, a rash, scratching, chewing or licking paws, and fatigue. Pets should be seen by a veterinarian if they are experiencing any of these symptoms. Continued exposure to it and lack of treatment can cause an affected pet to die.

Prevention of Mold

Once you suspect mold growth in your house, immediate action should be taken. It is usually advised that you call Mold Removal Austin professionals to come and perform mold testing in your home. Once the results are out, the professionals will proceed to the next step, which is mold eradication. Mold removal experts possess all equipment necessary to remove mold from your house.

As the homeowner, there are also some preventive tips you can undertake to ensure that your house ifs mold-free. They include:

1. Make sure that the interior of your home is getting proper airflow. This includes your bedrooms, kitchen, bathroom, and house. With proper airflow, you get rid of moisture and helps in maintaining these areas dry.

2. Mold thrives in damp and dark recesses of your home and furniture so it’s important that these areas get enough sunlight to keep them dry thus preventing mold spores from reproducing and multiplying.

3. Use household cleaners that effectively eliminate mold and mildew and make sure to air-dry after cleaning. There are also cleaners that help disinfect the area making preventing them from coming back. Apply the cleaning product directly to the infected area and let it sit for 10 minutes before wiping them dry.

4. Get an air purifier with a certified HEPA filter. Molds that are washed away may still have spore residue floating in air making them impossible to remove completely. Air purifiers with HEPA filtration systems are effective in removing airborne mold spores. Since there’s no moisture inside air purifiers, the spores die and do not reproduce.

5. Whenever possible, remove the mold as soon as you see signs in walls, furniture and other surfaces.

Do not take chances when it comes to the health and well-being of your family. These simple steps will greatly reduce the risk of mold reproducing around you. Stop the build-up before it has the chance of affecting your health. If you cannot seem to keep the mold at bay, call a Certified Mold Remediation Dallas Inspector right away.

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