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Causes Of Mold

Basement mold is not only ugly, but it may also cause serious health concerns if nothing is done to address it. Mold that grows in basements is usually slimy and has a dark color that might range from green to black or gray. Although not all mold is dangerous, you definitely don’t want it in your house or basement. Mold development in a basement may signal a moisture issue that can cause significant damage to your house.

It is critical to understand what causes of mold to grow in basements so that you can avoid it from occurring and save money that would otherwise be spent on mold remediation and costly repairs. This article examines some of the factors that contribute to the causes of mold to grow in basements.

Causes Of Mold To Grow In Your Basement

Flooding Outside The House

A damp basement is a frequent problem caused by excessive rains or melting snow, which can oversaturate the ground surrounding your home. When water is poured directly from the roof to the downspouts, it can begin to pool, producing a strong force that can breach basement waterproofing systems. 

Cracks in the foundation might aggravate the situation by causing basement flooding. Mold may begin to form in the gap between your walls and the foundation, and it may take some time for you to discover the hidden mold. Drilling a hole and inserting a mold testing instrument allows professionals to identify whether mold is forming beneath your walls.

Issues With The Plumbing Could Be Causes of Mold In Your Basement

Many drains, faucets, and pipes for house systems are frequently found in basements. They can be placed for a variety of reasons, including washing machines, basic basement drainage, a restroom, or a dryer. Mold development might be aided by any water leaks or inadequate drainage systems. Clogged drains and leaking pipes can cause water overflow to other areas of your basement which leads to the causes of mold. Stagnant water on the floor can cause the basement to become wet and humid, creating an ideal habitat for mold to develop.

Fabrics and Wood

Mold requires a food supply to flourish, therefore wood and textiles are among the many causes of mold growth in the basement since they are more susceptible to mold contamination. Fabrics may be found in upholstered chairs, sofas, stored clothes, and padded desk chairs, whereas wood can be found in the shape of furniture, flooring, and framework. Because textiles are porous, they quickly retain moisture, allowing mold to burrow into them and begin to develop.

If mold is allowed to grow on unfinished wood framing, it can deteriorate the material, causing structural issues in the basement. Wood flooring may be impacted by similar problems if mold forms beneath the boards, which can be difficult to detect until severe damage has occurred.

HVAC Ducts

Mold is most prone to grow in HVAC ducts that run through basement walls. If the drip pan is not cleaned on a regular basis, it can become a breeding ground for basement mold. Condensation may build on the exterior and inside of HVAC ducts, and damp HVAC ducts are one of the most common causes of mold inside houses, since they provide a source of moisture that accelerates mold growth.

Not Enough Ventilation

One of the most frequent causes of mold is a decrease in ventilation in a wet and humid space, such as a basement, which creates one of the conditions for mold growth. When moisture interacts with limited air circulation, it creates a wet and humid atmosphere that encourages mold growth.

The following are some indications of inadequate ventilation and causes of mold in the basement:

  • Strong odors that do not dissipate
  • Discolored floor
  • Frosted looking glass windows
  • And early signs of rust stains on metallic pipes

Most of these signs occur when poor ventilation combines with excess moisture. Proper ventilation is essential because it aids in the removal of excess moisture that can lead to mold development in the basement.

Understanding The Causes of Mold In Your Home

Understanding the source of water problems and the processes that allow mold to enter the basement is the best way to get rid of a mold problem in a basement. All of the factors mentioned might explain why you are having mold problems in your basement. Taking the proper precautions to avoid mold growth in the basement may save you a lot of money in the long run on pricey repair and mold remediation charges.

A Mold Removal Company Serving St. Louis, MO

Call ABC Environmental Contracting Services at (314) 668-1509 today for 24 hour water damage restoration, fire damage restoration, or mold remediation along with any of our other services or get an instant quote from our website. Our Mold Removal Company will get to your Missouri home and explain the possible causes of mold in your home in 30 to 60 minutes.


To learn about 11 signs you should be aware of when you find mold in your home, click here!

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