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AquaStop™ CrawlSeal™ Crawl Space Vapor Barrier 

Moisture and humidity in crawl spaces are significant concerns; they can cause extensive damage to your home and pose health risks. 

Safeguard your home with the highly regarded vapor barrier from Innovative Basement Authority, your crawl space specialists. AquaStop™ CrawlSeal™ delivers a comprehensive answer to these challenges through our expert crawl space encapsulation method. 

As your regional experts in crawl space encapsulation, we offer a barrier against moisture to protect your home’s health and longevity. 

This page will reveal how a dry and expertly secured crawl space can benefit you. 

What is a Crawl Space Vapor Barrier? 

A crawl space vapor barrier is a substantial plastic sheet that covers the walls and bare dirt floors in crawl spaces. 

This sheet is crucial in managing excessive moisture and is engineered to stop water vapor from entering the crawl space. Vapor barriers are effective against dampness, humidity, mold, wood decay, and make invasions by pests less desirable. 

Innovative Basement Authority employs a comprehensive strategy using CrawlSeal™. This durable, layered liner excels in preserving your home’s framework from the harmful effects of moisture. The barrier defends your crawl space, contributing to your home’s overall well-being, and presenting a thorough solution for the entire house. 

Signs You Need a Crawl Space Vapor Barrier 

It’s essential to recognize when a crawl space vapor barrier is necessary. Indicators include: 

These signs suggest excessive moisture, drainage issues, and other damage. Staying alert helps keep your home safe and healthy, and it’s important to work with crawl space professionals at the earliest sign of trouble. 

Is a Crawl Space Vapor Barrier Necessary? 

Yes, a vapor barrier is essential if your crawl space shows signs of moisture or humidity. Neglecting to install a vapor barrier allows moisture to permeate your crawl space, leading to increased damage and repair costs over time. 

Proactively using Innovative Basement Authority’s encapsulation solutions safeguards your home and is a key aspect of our holistic approach to home health. 

We advise against DIY installations, as liners from general retailers are often inadequate, leading to further damage and costly future repairs. Additionally, your crawl space might pose various health and safety risks, making it preferable to rely on professionals equipped with the appropriate tools, expertise, and safety equipment. 

What Are the Benefits of a Crawl Space Vapor Barrier? 

Utilizing a vapor barrier to combat moisture offers several advantages: 

  • Improved Indoor Air Quality: Our CrawlSeal™ barrier halts moisture, cutting down on mold and mildew, and thereby imporoving the air quality inside your home. 
  • Strengthened Structural Stability: Keeping the crawl space dry fortifies your home’s structural integrity from the foundation. 
  • Enhanced Energy Efficiency: A moisture-free crawl space improves insulation, leading to greater energy efficiency and reduced utility bills. 
  • Pest Deterrence: Damp crawl spaces attract pests like termites. A vapor barrier, coupled with moisture management solutions, creates an environment that is less appealing to pests, preventing their entry. 

Our exclusive CrawlSeal™ liner is designed to resist punctures and tears and has antimicrobial properties. Alongside our encapsulation process, it ensures your crawl space remains clean, dry, and healthy over time. 

How We Install a Crawl Space Vapor Barrier 

The vapor barrier is central to a crawl space encapsulation system, but there are additional steps. Our team follows these procedures in encapsulating a crawl space: 

Choose Innovative Basement Authority for a dependable installation that lasts. With us, you can be confident that your crawl space is in the hands of experts. 

Why Our Crawl Space Vapor Barrier is the Best Choice for Your Home 

Our CrawlSeal™ system surpasses other barriers with features like: 

  • A robust 20-mil thickness 
  • Antimicrobial characteristics 
  • Resistance to mold, mildew, and punctures 
  • Custom-fitted sizes for various surfaces 
  • A reflective white finish to illuminate the area 
  • Long-lasting, transferable warranty 
  • Continuous protection with yearly maintenance 

Contact Innovative Basement Authority for Crawl Space Encapsulation Today! 

Don’t live with the damp, unhealthy effects of a humid crawl space. Rely on Innovative Basement Authority to provide a drier, healthier crawl space with our CrawlSeal™ vapor barrier. Our solutions revitalize your home by addressing moisture issues at their source. 

Homeowners have relied on our innovative solutions for over 18 years. We are ready to assist you as well. Reach out to us now to book a free inspection and take the first step towards a more secure home. 


DIY installations are not recommended due to potential risks, costs, and short-term effectiveness. Professional installation guarantees correct fitting and sealing of the vapor barrier, and thorough evaluation of your crawl space for any other issues that need to be resolved for maximum effectiveness and longevity. Contact Innovative Basement Authority for a free crawl space inspection and encapsulation quote.

The duration of installation varies based on crawl space size, existing damage, and necessary repairs. Our goal is to be efficient without compromising on quality. Most installations are completed within one to two days. Reach out to Innovative Basement Authority for a free crawl space inspection, a no-obligation estimate, and a precise timeline.

The vapor barrier requires minimal maintenance, but we provide an annual service plan to ensure its optimal functioning. We inspect the crawl space and its existing solutions, including the vapor barrier, to verify they continue to safeguard your crawl space. Contact us for more information and to schedule a free inspection.

Innovative Basement Authority Service Map

Our Locations

Fargo, ND

1330 41st St. N
Fargo, ND 58102

Minneapolis, MN

6265 Carmen Ave.
Inver Grove Heights, MN 55076

Rush City, MN

1325 S Frandsen Ave
Rush City, MN 55069

Sioux Falls, SD

101 S. Reid Street, Suite 307
Sioux Falls, SD 57103