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Crawl Space Humidity

Excessive crawl space humidity poses widespread issues in many households, ranging from structural damage to health hazards. 

Taking control of humidity levels not only enhances the state of your crawl space but also creates a safer and healthier living environment for you and your family. 

With over three decades of experience, Baker’s Waterproofing specializes in assisting homeowners in Pennsylvania and West Virginia to confront this challenge. Our team conducts thorough inspections to pinpoint the root cause of humidity and offers personalized crawl space encapsulation solutions for effective resolution. 

Explore the causes and problems associated with crawl space humidity and how to achieve a permanent solution with professional assistance. 

What Is Crawl Space Humidity? 

Crawl space humidity arises from excessive moisture accumulation in the space beneath your home’s first floor. Due to its proximity to the soil, this area is particularly prone to moisture penetration. 

Exceeding 60% relative humidity levels can lead to various issues, such as: 

These issues impact your home’s structural stability and present significant health risks to its residents. Maintaining optimal humidity levels in the crawl space is essential to preventing these problems and ensuring a healthy living environment. 

What Causes Crawl Space Humidity? 

Elevated crawl space humidity is caused by many factors, including: 

  • Water Infiltration: Moisture is introduced through leaking pipes, groundwater, and rain/snowmelt seeping through walls and floors. 
  • Moist Soil: The exposed dirt floor releases moisture into the air, functioning like an evaporative humidifier. 
  • Unsealed Vents: Open crawl space vents permit outdoor humid air to enter, condensing on cool surfaces. The climate in Pennsylvania and West Virginia, known for hot summers and cold winters, can worsen these issues as external air interacts with the cool crawl space, leading to condensation. 
  • Limited Climate Control: Crawl spaces, colder than interior spaces, experience condensation. Inadequate insulation and waterproofing can enable moisture to infiltrate and linger, creating an ideal environment for mold growth and wood rot. 
  • Absence of Vapor Barrier: Allows moisture from the earth to evaporate into the crawl space. 
  • Inadequate Drainage: Standing water forms pools that contribute moisture to the air. 

It is crucial to promptly and effectively address the causes of crawl space humidity to preserve your home’s structural integrity and family’s well-being. 

Can You Fix Crawl Space Humidity? 

Yes, resolving crawl space humidity is possible, yet it demands a holistic approach for lasting effectiveness. 

While DIY remedies may offer temporary relief, they fall short in long-term results. For instance, standard dehumidifiers prove insufficient for expansive crawl spaces with elevated humidity levels. 

We strongly discourage you from entering your crawl space alone, as it can be a hazardous environment. 

At Baker’s Waterproofing, we deliver tailor-made crawl space encapsulation systems that address humidity and moisture issues permanently. Our solutions target the root cause, guaranteeing a consistently dry and healthful living environment. 

How Baker’s Waterproofing Fixes Crawl Space Humidity 

Our comprehensive crawl space humidity procedure includes the following steps: 

Baker’s Waterproofing offers an exclusive range of products to combat crawl space issues related to humidity and moisture. These products are engineered to synergize effectively, upholding your crawl space’s dryness, health, and stability. 

Why Address Crawl Space Humidity Now 

It is vital to address elevated crawl space humidity levels promptly. Here’s the reason why: 

  • Prevent Structural Deterioration: Excessive moisture induces wood decay, jeopardizing the integrity of floors, beams, and overall stability. Swiftly addressing humidity issues prevents the onset of wood rot, sagging floors, and other structural complications. 
  • Safeguard Against Health Hazards: Humidity exceeding 60% fosters the growth of mold colonies, causing harm to wood and releasing spores. Ensuring a dry crawl space prevents mold development, protecting the well-being of occupants. 
  • Repel Pests: Moist crawl spaces attract termites, carpenter ants, and rodents. Proper encapsulation and dehumidification create an inhospitable environment for pests. 
  • Minimize Allergens: Mold spores and dust mites can exacerbate respiratory conditions such as asthma. 
  • Enhance Air Quality: Prevent musty odors and contaminated air from infiltrating your home. 
  • Optimize Energy Efficiency: Reduced humidity alleviates strain on your HVAC system. Effective insulation and humidity control contribute to more efficient energy consumption and lower utility bills. 
  • Preserve Property Value: A well-maintained crawl space positively impacts the overall value of your property. 

Take a proactive step towards maintaining a healthy environment and preserving your property’s integrity. Address crawl space moisture at the first sign of problems.  

Contact Baker’s Waterproofing for Reliable Crawl Space Humidity Solutions 

Safeguard your home’s structural integrity and your family’s health by addressing crawl space humidity issues promptly. Don’t wait for serious damage to occur. Baker’s Waterproofing offers an encapsulation system designed to effectively reduce humidity, preventing mold, rot, and other moisture-related damage. 

Homeowners across Pennsylvania and West Virginia have entrusted us to skillfully manage their crawl space humidity concerns, appreciating our commitment to precision and care. Our solutions go beyond quick fixes, providing a thorough and lasting resolution. Contact us today to schedule a free inspection and ensure a healthy home environment. 


The duration of crawl space humidity repair depends on the extent of the issue, but our commitment is to deliver prompt and efficient solutions. Baker’s Waterproofing completes the crawl space encapsulation process, typically within a few days.  

Contact us to schedule a free inspection, receive a no-obligation estimate, and obtain a precise timeline breakdown for your project. 

Crawl space humidity levels within the 40 to 50 percent range are vital for a comfortable and healthy home environment. Levels below this range can result in overly dry air. Humidity above 50 percent can foster mold growth and other moisture-related problems, such as wood rot and pest infestations

Employing a professional crawl space dehumidifier and additional waterproofing and encapsulation methods is an invaluable investment that protects your home from these harmful effects. Contact Baker’s Waterproofing today for a free inspection and estimate to maintain optimal humidity levels in your home and protect your investment for many years. 

Guarding against water intrusion and eliminating excess crawl space moisture and humidity is achieved through our comprehensive encapsulation process, which includes waterproofing measures, insulation, and dehumidification. This approach ensures lower humidity levels by preventing water and air from infiltrating the space, creating a dry and healthy environment. Contact Baker’s Waterproofing to discover more about this solution and the available financing options

Baker's Waterproofing Service Areas

Our Locations

Central PA

3819 N Susquehanna Trail
Shamokin Dam, PA  17876


922 North 3rd Street
Harrisburg, PA 17102


701 North Hermitage Rd, Suite 25,
Hermitage, PA 16148


5 Industrial Road, Building B
Washington, PA 15301

Wilkins Township

201 Penn Center Blvd Suite 400

Wilkins Township, PA 15235

York, PA

800 E King St, Suite 518
York, PA 17402