Skip to Main Content

Moisture in the Crawl Space

Living in a humid climate comes with the constant threat of moisture damage in your home. Our distinct climate brings snowy winters and rainy springs that can wreak havoc on crawl spaces if left unprotected.  

An overabundance of moisture fosters mold growth, attracts pests, rots wood, and drives up energy costs as water and humidity permeate into your home. This excessive dampness emanates from multiple sources. Though crawl spaces tend to be humid by nature, high levels of moisture lead to considerable destruction. 

As the top provider of quality crawl space encapsulation in West Virginia, Basement Authority of West Virginia understands how to safeguard your home against moisture intrusion. 

This comprehensive guide explores the causes, risks, and best solutions for moisture accumulation in crawl spaces. 

What is Moisture in the Crawl Space? 

Crawl space moisture refers to the buildup of water or humidity in the cavity under your home. This dampness comes from several sources but most commonly seeps in through cracks, seams, or open vents. 

Due to their underground location, all crawl spaces harbor some moisture. However, excessive dampness causes concerns. When the relative humidity in a crawl space tops roughly 55%, problems arise. 

Elevated moisture levels result in numerous issues, including: 

Excessive moisture can seep into living areas, resulting in poor indoor air quality and compromising your home’s structural integrity. In unpredictable climates like West Virginia, keeping a dry crawl space is vital for protecting your home. 

What Causes Moisture in the Crawl Space? 

West Virginia’s variable climate contributes significantly to crawl space moisture concerns. However, the main sources typically include: 

  • Open Vents: Crawl space vents were historically used to regulate temperature and moisture but often have the opposite effect by allowing humid outdoor air to enter the crawl space. 
  • Plumbing or Appliance Leaks: Equipment housed in crawl spaces often spring slow leaks over time, releasing gallons of water. 
  • Improper Drainage: Negative grading or poorly functioning gutters or downspouts direct rainwater and snowmelt into the crawl space. 
  • Rising Damp: Ground moisture seeps through porous concrete walls or floors through a process called rising damp. 
  • Localized Flooding: Heavy storms, nearby bodies of water, and high groundwater tables cause periodic flooding. 

Any penetration in the crawl space envelope enables moisture to accumulate from multiple sources. A comprehensive solution like encapsulation is needed to keep groundwater, rain, and water vapor out. 

Can You Fix Moisture in the Crawl Space? 

Yes; while crawl space moisture is common, it can be effectively managed with proper remediation and moisture-proofing solutions. 

While DIY patches provide temporary improvements, they rarely resolve the core issue. For complete protection, a full-service encapsulation system tailored to your home is best. 

Basement Authority of West Virginia offers permanent solutions to eliminate moisture sources, remove standing water, and seal the crawl space using top-quality materials designed for West Virginia’s wet climate. 

Our licensed technicians follow a multi-step process to transform damp, humid crawl spaces into clean, dry areas that protect your home. 

How Basement Authority of West Virginia Fixes Moisture 

Our crawl space encapsulation process keeps ground moisture out and tackles existing water issues through several vital steps: 

By leveraging proprietary products and comprehensive installation, Basement Authority of West Virginia delivers reliable encapsulation systems with moisture protection that outlasts DIY and big-box store alternatives. 

Why Address Moisture Issues Now 

While visible water or high indoor humidity may prompt immediate action, less noticeable moisture accumulation also degrades home structures over time. Acting early is wise because of: 

  • Worsening Damage: Wet wood eventually rots, risking collapse. Stopping moisture early prevents structural degradation. 
  • Pest Infestations: Termites and other pests love damp wood and can severely compromise stability. Encapsulation removes their ideal environment. 
  • Indoor Air Quality: Mold, pests, and damaged insulation impacts air quality, but keeping crawl spaces dry enhances your living environment, inhibiting problems at their sources. 
  • Energy Efficiency: Well-insulated and dry spaces cut heating and cooling costs. 
  • Added Peace of Mind: Eliminating moisture risks gives homeowners confidence in their home’s soundness. 

Don’t wait for serious signs of trouble. As moisture specialists serving West Virginia for 20 years, Basement Authority of West Virginia knows that early encapsulation saves homeowners money, prevents damage, and provides security. 

Contact Basement Authority of West Virginia for Reliable Crawl Space Encapsulation 

Has excess moisture been plaguing your West Virginia home’s crawl space? Don’t resign yourself to living with dampness, risking structural harm and unhealthy air. As leading local experts in crawl space solutions, Basement Authority of West Virginia makes it simple to fix moisture issues for good. Our encapsulation systems are designed for West Virginia’s wet climate, offering complete moisture protection. 

Contact us today to schedule a free inspection and encapsulation estimate from our friendly pros. Let us evaluate your crawl space, identify trouble spots, and recommend an encapsulation solution tailored to your home. Breathe easier knowing your space stays clean and dry all year long. 


The expense of addressing moisture in your crawl space varies based on the space’s size and condition, as well as the necessary repair strategies. A precise cost assessment can be provided after a free inspection by a Basement Authority of West Virginia specialist. We offer no-obligation estimates, transparent pricing, and a variety of financing options

Absolutely, investing in resolving crawl space moisture issues is a wise decision. It safeguards your home’s structural stability and enhances indoor air quality, benefiting you for many years. Neglected moisture problems lead to health and safety risks that jeopardize your home and family. Contact Basement Authority of West Virginia for a free crawl space inspection and estimate. 

We do not recommend tackling crawl space moisture issues by yourself. Entering the crawl space can be dangerous, and DIY fixes often provide only temporary relief. Opting for professional services guarantees a thorough and enduring solution. Basement Authority of West Virginia has the necessary expertise, equipment, solutions, and safety gear. Contact us to learn more and schedule a free inspection. 


Our Locations

Charleston, WV

132 Rocky Step Rd.,
Scott Depot, WV 25560