Skip to main content

Crawl Space Humidity Solutions

American Standard Foundation Repair offers solutions to help block moisture from entering the crawl space.

Basement wall showing humidity dammage ad mold.

Humidity in the crawl space is a lurking threat, often underestimated until its impacts become apparent.

Excessive humidity in this underserved part of a home is not just an issue of mere inconvenience. It’s a serious concern with the potential to jeopardize your home’s foundation, the bedrock of your structure, upon which the integrity of your entire house rests.

If you suspect high levels of humidity under your home, contact us for a consultation.




Crawl Space Humidity and High Moistue Problems

Imagine the scenario where elevated moisture levels persistently seep into the soil beneath your home. This seepage triggers a domino effect, leading to soil settlement and consequently, foundation cracks. These cracks give way to uneven floors and destabilized structure, turning your living space into a potential hazard. This article in Forbes provides further insights into the numerous signs and implications of house foundation problems.

Homes that grapple with crawl space moisture problems invariably suffer structural damage. This clearly underscores the urgency and importance of resolving these issues expeditiously. But how do regional factors, particularly the nature of the soil and groundwater levels, influence crawl space humidity?

The areas of Tennessee, Arkansas, and Mississippi are characterized by their unique soil challenges that amplify crawl space humidity issues.

The soil in these areas is predominantly clay, a soil type notorious for its high water-holding capacity. This implies that the soil tends to retain moisture for extended periods, thereby becoming a contributory factor to crawl space humidity.

Moreover, the groundwater levels in these regions are also unusually high, adding another layer to the moisture problem. This publication from the United States Geological Survey (USGS) highlights that the Mississippi River Valley has a high-water table, significantly increasing the risk of moisture intrusion into crawl spaces. Such findings underscore the importance of adopting effective strategies to tackle these regional challenges, preventing irreparable damage to your home’s foundation.

Ignoring crawl space humidity issues is akin to setting a ticking time bomb beneath your home. Excessive moisture creates a conducive environment for harmful organisms such as mold, mildew, and rot. These growths, as detailed by the Environmental Protection Agency (EPA), could potentially lead to health complications such as respiratory issues, allergies, and even asthma. 

Apart from these health hazards, the unchecked moisture in your crawl space can compromise the structural integrity of your house. Over time, it may lead to sagging floors, cracks in walls, and even catastrophic foundation failure. As you delay necessary interventions, the risk of severe damage escalates, leading to substantial repair costs.

Inadequate airflow within the crawl space often contributes to moisture build-up. This issue arises when there is a lack of sufficient vents or fans that promote proper air circulation. The ensuing stagnant air leads to a rise in humidity levels, creating a favorable environment for mold growth and other moisture-induced problems. As a solution, we advise installing appropriate ventilation systems that meet or surpass the ventilation standards recommended by the National Association of Home Builders (NAHB). With improved air circulation, we can keep the moisture levels in check and avert its damaging consequences.

In regions with high water tables, such as Tennessee, Arkansas, and Mississippi, groundwater seepage into crawl spaces through foundation cracks or hydrostatic pressure is a common occurrence. To address this, we suggest the installation of efficient drainage systems like sump pumps and French drains. These systems divert water away from the foundation, shielding it against excessive moisture. An effective drainage system can substantially mitigate the risk of foundation damage caused by groundwater intrusion.

The clay-rich soils prevalent in the regions under discussion have a high water-retention capacity, which leads to increased soil moisture. To counter this problem, we recommend installing moisture barriers such as vapor barriers and encapsulation systems. These solutions block moisture from entering the crawl space, ensuring a drier and healthier environment. By significantly reducing soil moisture content in crawl spaces, these moisture barriers help to alleviate humidity-related issues.

Questions & Answers About Craw Space Humidity

  • What can I do to monitor the humidity level in my crawl space?**

    You can install a hygrometer in your crawl space to monitor humidity levels. Hygrometers are devices that measure the amount of moisture in the air, and they can help you determine if the humidity levels in your crawl space are within a safe range.
  • How can I tell if there’s mold in my crawl space?

    Telltale signs of mold in your crawl space include a musty smell, water stains or discoloration on surfaces, or visible growth. If you suspect mold, it’s advisable to hire a professional for testing and remediation.
  • How often should I inspect my crawl space for signs of excessive moisture?

    We recommend checking your crawl space for signs of excessive moisture at least once every season or more frequently during rainy periods. This will help you detect any changes early and take appropriate action.

After your crawl space is sealed and dehumidified, it can provide newfound dry and clean storage space for equipment and other items that can tolerate heat and cold conditions.

American Standard Foundation Repair is the leading foundation repair and remediation firm serving the Mid-South from our Memphis, Knoxville, and Rogers, AR offices. We provide unmatched customer service that emphasizes effective communication and an unending effort to provide total satisfaction. Our owner, Jae Wells, serves as president of the National Foundation Repair Association and leads the way in providing cost-effective and long-lasting solutions to fellow homeowners.

Contact Us With Your Crawl Space Questions.

Contact us today with questions about providing your home’s crawl spaces with an encapsulation that preserves and protects your most significant investment. We look forward to being of service.