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Open Crawl Space Vents 

Once hailed for their presumed ventilation advantages, open crawl space vents can now be replaced with safer and more efficient alternatives. 

Open crawl space vents, once considered a solution for moisture and ventilation issues, have been found to contribute to these very problems. If left unaddressed, open vents can lead to dampness, inadequate ventilation, and a host of issues, including mold growth, pest infestations, and more. 

Armed with years of expertise and a commitment to lasting solutions, Baker’s Waterproofing tackles the challenges that plague crawl spaces. Our dedicated team specializes in exclusive crawl space encapsulation services to safeguard your home’s long-term comfort and stability.  

This page offers insights into open crawl space vents, the problems they pose, and how professionally installed and customized crawl space repairs can benefit your home. 

What Are Open Crawl Space Vents?  

Open crawl space vents, once considered a standard practice to prevent moisture problems, are now recognized as outdated and ineffective. They were based on building codes that have since been revised, and they often contribute to the very issues they were intended to address. 

Crawl space vents introduce more problems than they solve, leading to issues, such as: 

These problems can severely threaten your home’s structural integrity and health. If you notice any signs of crawl space issues or open vents on your home’s exterior, it’s crucial to contact crawl space experts like Baker’s Waterproofing for prompt and effective solutions. 

Why Does Your Home Have Open Crawl Space Vents? 

Once considered a standard practice, crawl space vents were widely installed in homes until the mid-20th century under the belief that they would enhance air circulation and prevent moisture buildup. However, this notion has been proven wrong. Modern research has shown that crawl space vents are more likely to exacerbate moisture problems and energy inefficiency than resolve them. 

Studies conducted in the 1990s revealed that these vents allow for the intrusion of dampness and moisture, leading to increased energy consumption and difficulty maintaining consistent indoor temperatures. As a result, the use of crawl space vents has significantly declined in recent decades. Building codes have also evolved to reflect this change, with vent sealing and crawl space encapsulation becoming increasingly common practices. 

Covering crawl space vents is a standard procedure for improving crawl space conditions. Sealing them off is a more practical approach to promoting a healthier environment within the crawl space, provided that artificial air circulation is implemented. 

Can You Fix Open Crawl Space Vents? 

Open crawl space vents can be addressed, but a simple cover-up won’t provide lasting results. A comprehensive whole-home solution is necessary to achieve the desired results. 

It’s crucial to approach this issue holistically, ensuring that all aspects of your crawl space are thoroughly evaluated. Sealing crawl space vents as part of a comprehensive encapsulation system can transform your damp, unhealthy crawl space into a clean, dry, and conditioned space. 

Our experts at Baker’s Waterproofing have over three decades of experience in resolving crawl space moisture issues and delivering permanent solutions. We possess the expertise to diagnose the root causes in your home and implement tailored repairs to address your specific needs. 

How to Fix Open Crawl Space Vents 

The most straightforward solution for dealing with open crawl space vents is through crawl space encapsulation. However, it involves more than simply blocking or covering the vent. 

Baker’s Waterproofing follows a step-by-step crawl space encapsulation process that includes: 

  • Conduct a comprehensive inspection, pinpointing particular issues and their root causes. 
  • Seal crawl space vents and replace access doors to thwart outside air and water intrusion. 
  • Introduce interior drainage and a sump pump system to collect and eliminate water. 
  • Lay down drainage matting on the floor to guide water toward the drainage system. 
  • Affix crawl space insulation panels to the walls to regulate interior temperatures. 
  • Apply a vapor barrier to cover the floor and walls, encapsulating the crawl space. 
  • Incorporate a dehumidifier to sustain optimal interior humidity levels. 

By choosing Baker’s Waterproofing, you opt for a tailored solution backed by our proprietary products, designed to outperform and outlast the alternatives. 

Why Address Open Crawl Space Vents Now 

It’s crucial to promptly address open crawl space vents for various reasons, such as: 

  • Prevent Structural Damage: Swiftly dealing with the problem prevents the need for potentially expensive repairs. 
  • Enhance Indoor Air Quality: A sealed and dry crawl space contributes to a healthier living environment. 
  • Improve Energy Efficiency: Proper insulation and sealing results in noticeable energy bill savings. 
  • Avoid Pest Infestations: A dry crawl space is significantly less appealing to pests. 
  • Enhance Property Value: Homes with resolved crawl space issues become more appealing to potential buyers. 

Baker’s Waterproofing integrates specialized expertise with superior products to achieve industry-leading results. 

Contact Baker’s Waterproofing for Reliable Crawl Space Solutions 

Don’t let your crawl space remain a forgotten, neglected area of your home. Let Baker’s Waterproofing transform this valuable space into a healthy and functional asset. We have the expertise, tools, and advanced products to encapsulate your crawl space, safeguarding your home’s foundation and creating a healthier environment for your entire living space. 

Our process begins with a thorough crawl space inspection to identify the root causes of existing damage. Then, we customize solutions to your home’s unique needs. Unlike generic store-bought solutions, we employ products and a holistic approach that addresses the underlying issues, ensuring long-lasting protection and a healthier crawl space. 

Embark on the journey of reclaiming your crawl space and safeguarding your home’s well-being. Contact Baker’s Waterproofing for a free crawl space inspection and a no-obligation repair estimate.  


While possible, DIY vent covering can lead to long-term issues. Baker’s Waterproofing offers comprehensive crawl space encapsulation services to address the root causes of moisture problems, ensuring a healthy and dry crawl space for your home. Contact us for a free inspection and estimate.

We prioritize minimizing disruption to your property and daily life, typically completing projects within a few days. 

Schedule a free inspection today to receive an accurate project timeline and a no-obligation estimate. Embrace the benefits of a healthier crawl space with Baker’s Waterproofing’s efficient and comprehensive repair services. 

Crawl space repair costs fluctuate depending on your crawl space’s size, condition, and the necessary repairs. Choosing professional solutions from Baker’s Waterproofing provides value for your investment and lasting outcomes. We offer free inspections, repair estimates, and financing options. Contact us for more information.

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