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Open Crawl Space Vents 

Once celebrated for their supposed ventilation benefits, open crawl space vents can now be replaced with safer, more effective solutions. 

These frequently used openings on homes built with crawl spaces have been found to cause the very problems they were designed to alleviate dampness and poor ventilation. If left unaddressed, open crawl space vents can lead to moisture, mold growth, pests, and other issues in your home. 

With years of experience and a strong commitment to providing lasting solutions, Indiana Foundation Service tackles these issues directly. Our dedicated team specializes in transforming your crawl space into a safe, dry, and energy-efficient part of your home using our proprietary crawl space encapsulation products. This ensures comfort and stability for many years to come. 

What Are Open Crawl Space Vents? 

Open crawl space vents, originally designed to adhere to building codes and prevent moisture issues, are based on outdated building standards. 

However, these vents often cause more problems than they solve. They can lead to: 

These issues can seriously damage your home’s structure and your health. Contact crawl space experts like Indiana Foundation Service immediately if you notice these signs or see open vents in your home. 

Why Your Home Has Open Crawl Space Vents 

Until the mid-20th century, it was common to install vents in crawl spaces, believing it would improve air circulation and reduce dampness and excessive moisture. 

However, research in the 1990s showed that these vents allow dampness and moisture to enter, making it difficult to maintain a consistent indoor temperature and compromising energy efficiency. 

As a result, the use of crawl space vents has significantly decreased over the past few decades. Building codes now support vent sealing and crawl space encapsulation. 

Today, it is standard practice to cover these vents and implement artificial air circulation for better crawl space conditions. 

Can You Close Open Crawl Space Vents? 

Yes, open crawl space vents can be effectively addressed with a whole-home solution. Sealing crawl space vents as part of an encapsulation system can transform your damp, unhealthy crawl space into a clean, dry, and conditioned space. 

Our experts at Indiana Foundation Service have 15 years of experience solving crawl space moisture and delivering permanent solutions. Sealing crawl space vents is just one job where we lead the pack. 

How to Fix Open Crawl Space Vents 

The easiest way to address open crawl space vents is through crawl space encapsulation. Indiana Foundation Service offers a step-by-step process that includes: 

By choosing Indiana Foundation Service, you get a tailored solution backed by our proprietary products designed to outperform and outlast alternatives. 

Why Address Open Crawl Space Vents Now 

It’s crucial to fix open crawl space vents promptly for several reasons: 

  • Prevent Structural Damage: Fixing the issue saves on costly repairs. 
  • Enhance Indoor Air Quality: A sealed, dry crawl space promotes a healthier living environment. 
  • Improve Energy Efficiency: Proper insulation and sealing lead to noticeable energy bill savings. 
  • Avoid Pest Infestations: A dry crawl space is less appealing to pests. 
  • Enhance Property Value: Resolving crawl space issues makes homes more attractive to potential buyers. 

Indiana Foundation Service offers specialized solutions with superior products for industry-leading results. 

Contact Indiana Foundation Service for Reliable Crawl Space Solutions 

If your home has open crawl space vents, there’s no need to wait for more severe issues to arise. At Indiana Foundation Service, we have the necessary products, diagnostic tools, and expertise to completely encapsulate your crawl space. 

We will carefully examine your crawl space, identify the underlying causes of damage, and provide long-lasting solutions tailored to your home’s needs. Our exclusive products and comprehensive approach that go beyond standard encapsulation kits set us apart. Contact us today to schedule a complimentary crawl space inspection and receive a repair estimate without any obligations. 


While it’s possible to cover crawl space vents on your own, professional services offer a more comprehensive and durable solution. Indiana Foundation Service provides complete waterproofing and encapsulation of the crawl space, not just vent sealing. Contact us for a free crawl space inspection

The repair duration depends on the crawl space condition and the chosen solutions. However, our team can typically complete the project within a few days. Indiana Foundation Service works efficiently to minimize disruption. Get a no-obligation estimate and project timeline during a free inspection.

Costs vary based on crawl space size, condition, and specific repairs required. However, investing in professional solutions with Indiana Foundation Service ensures value for money and long-lasting results. We offer free inspections, transparent pricing, and various financing options. Contact us to learn more.

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