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Crawl Space Humidity

Crawl space humidity is a prevalent issue in Texas homes, potentially leading to structural damage and health concerns.  

Foundation Support Specialists, leveraging extensive experience in the Texan climate, offer homeowners effective solutions to combat these challenges. Our team conducts thorough inspections to uncover the sources of humidity and provides customized encapsulation solutions for enduring relief.  

This guide will help you understand the nuances of crawl space humidity and how to address them with the help of our professionals. 

Explaining Crawl Space Humidity 

Crawl space humidity is the accumulation of excess moisture in the lower section of your home. Situated between the ground and the first floor, this area is particularly vulnerable to dampness due to its proximity to the soil. When humidity levels exceed 60%, several problems can arise, including: 

Addressing these issues is vital to maintain your home’s structural health and ensure a safe, healthy living environment. 

Causes of Crawl Space Humidity in Texas 

Crawl space humidity in Texas can be attributed to various factors: 

  • Humid Air Infiltration: Texas’ humid climate contributes to moisture entering through vents. 
  • Water Intrusion: Rainfall, leaks, and ground seepage add to the moisture in the crawl space. 
  • Soil Moisture: Natural soil dampness elevates air moisture levels, especially in homes with bare soil floors. 
  • Unsealed Vents: Open vents allow humid outdoor air to condense within the crawl space. 
  • Inadequate Insulation: Poor insulation and waterproofing can lead to moisture retention. 
  • Missing Vapor Barrier: The absence of a barrier allows ground moisture to evaporate into the space. 
  • Inefficient Drainage: Water pooling due to poor drainage exacerbates humidity. 

Timely and effective intervention is key to preserving your home’s structure and the health of its residents. 

Addressing Crawl Space Humidity 

Crawl space humidity is a manageable issue but requires a strategic approach for a lasting solution. DIY attempts may offer short-term fixes but are generally insufficient for severe humidity issues.  

Foundation Support Specialists provide specialized encapsulation systems designed to resolve humidity and moisture problems permanently. Our solutions focus on controlling moisture at its source, ensuring a dry, healthy living space. 

Foundation Support Specialists’ Method for Crawl Space Humidity 

Our approach includes: 

We use advanced, proprietary products specifically designed to handle the challenges of crawl space humidity in Texas. 

The Importance of Immediate Action Against Crawl Space Humidity 

Addressing crawl space humidity promptly is essential for the following: 

  • Preventing structural damage and wood decay. 
  • Reducing health risks from mold and allergens. 
  • Deterring pest infestations. 
  • Improving air quality and eliminating odors. 
  • Enhancing energy efficiency and lowering bills. 
  • Maintaining the value of your property. 

Delays can worsen these issues, so it’s crucial to promptly seek the comprehensive solutions provided by Foundation Support Specialists. 

Contact Foundation Support Specialists for Trusted Crawl Space Solutions 

Crawl space humidity can significantly impact your home’s structural integrity and your family’s health. Foundation Support Specialists’ encapsulation system effectively reduces humidity, preventing mold and other moisture-related damage. Homeowners across Texas trust our expertise for precise and caring solutions. Contact us today to schedule a free inspection


To ensure a healthy and safe home environment, it’s crucial to maintain crawl space humidity levels between 40-50%. This range helps prevent the growth of mold, wood rot, and other moisture-related issues. To effectively manage these humidity levels, we offer advanced dehumidifying systems and thorough waterproofing solutions tailored to your home’s specific needs. 

The duration required to rectify humidity issues in crawl spaces can vary, depending on the problem’s severity and the crawl space’s size. We aim to provide quick and efficient solutions to these issues. Typically, our encapsulation process, which is a key method for controlling humidity, is completed within a few days. This process ensures a prompt and effective resolution, allowing you to return to a comfortable and safe home environment quickly. Contact us to learn more. 

Encapsulation is a highly effective method for controlling humidity in crawl spaces. This process involves a comprehensive approach, combining waterproofing and dehumidification techniques. Encapsulation significantly lowers humidity levels by sealing the crawl space from external sources of moisture. This not only helps prevent damp conditions caused by external water and air infiltration but also plays a vital role in maintaining the overall health and structural integrity of your home. With encapsulation, homeowners can enjoy a drier, healthier living space free from the risks associated with high humidity levels. 

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Our Locations


11615 Angus Rd
Suite 104B
Austin, TX 78758


1945 W. Walnut Hill Ln.
Irving, TX  75038


6422 Lozano Dr.
Houston, TX 77041

San Antonio

18630 Goll St.
San Antonio, TX 78266