Mold needs oxygen, food and moisture to grow. The only item you can control is moisture. Moisture can enter your home in a variety of…


Mold Prevention

Mold needs three things to grow: oxygen, food and moisture. The only item you can control is moisture.

Moisture can enter your home in a variety of ways. Some sources of moisture are easily identified and corrected, such as roof leaks, foundation problems, flooding, or landscaping issues.

However, high humidity levels are often the major source of moisture and can be the most difficult to identify and control. The humidity in your home should be between 40% and 50%. Higher levels will increase the biological pollutants in your home (mold and dust mites).

Mold can not grow if the humidity level is maintained between 40% and 50%.

As documented in Healthy Indoor Air for America’s Homes, a program developed through the EPA and Montana State University, the humidity level of a 1000 square foot area will be raised from 5% up to 60% with the introduction of 4 to 6 pints of moisture. A family of 4 generates 1/2 pint of moisture per hour simply by breathing. And seasonal outdoor humidity can add 64 to 249+ pints of moisture(water)into your indoor air.

Remember, “killing mold” will not prevent it from returning. Mold can remain dormant for over 20 years.

It is only through moisture control that mold growth can be prevented.


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Customer Reviews

Crawl Space Sealing in Alpharetta, GA

We recently moved into a new house and the crawl space was very moist and unusable. We had the guys at HealthyAir come and put in a vapor barrier to seal it off. They recommended we use a dehumidifier and insulation to really make it protected for good. We can now use it for our extra storage.

Shannon And Chris R – Alpharetta, GA 30004
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Case Studies

Hidden Mold

For five years, Carla successfully homeschooled her son. Over time, however, her bright and happy eleven year-old gradually developed health problems and his learning ability became impaired. Carla took her son to several doctors; his symptoms were treated but nothing seemed to help. Finally a doctor recommended she have her home's air quality checked and inspected for mold...

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