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AquaStop™ CrawlSeal™ Crawl Space Vapor Barrier

Crawl space dampness isn’t just an annoyance; it poses a threat to your home’s integrity and your health. 

Safeguard your home with the superior vapor barrier technology from Foundation Support Specialists, Texas’s leading experts in crawl space care. AquaStop™ CrawlSeal™ delivers a comprehensive answer to recurring moisture problems through our advanced crawl space encapsulation method. 

As Texas’s premier crawl space encapsulation specialists, we ensure a moisture-free environment, vital for your home’s health and longevity. 

Explore this page to understand how a dry and expertly protected crawl space can transform your home’s environment. 

Understanding a Crawl Space Vapor Barrier 

A crawl space vapor barrier is a durable plastic sheeting applied to crawl space walls and floors. 

Its role is crucial in controlling excessive moisture by blocking water vapor from infiltrating the crawl space. Vapor barriers are key in preventing issues like dampness, mold formation, wood decay, and infestations. 

FSS employs a comprehensive strategy with CrawlSeal™, a robust, layered liner adept at shielding your home from moisture-related damage. This barrier is essential for maintaining a dry crawl space and improving overall home health. 

Recognizing the Need for a Crawl Space Vapor Barrier 

Identifying the right time to install a crawl space vapor barrier is essential. Look out for: 

These symptoms signify excessive moisture and potential damage. Early detection and professional consultation are crucial for a safe and healthy home. 

The Necessity of a Crawl Space Vapor Barrier 

Installing a vapor barrier is an essential element for damp or humid crawl spaces. Neglecting this measure allows for uncontrolled moisture entry, leading to potential damage and escalating repair costs. 

Choosing FSS’s encapsulation solutions promptly safeguards your home as part of our comprehensive home health strategy. 

DIY installations are discouraged, as standard liners from retail stores are often inadequate, leading to further damage and costly repairs. Crawl spaces might also present health and safety risks, making professional inspection and installation with the right equipment and expertise vital. 


Advantages of a Crawl Space Vapor Barrier 

Implementing a vapor barrier brings multiple benefits, including: 

  • Better Air Quality: Our CrawlSeal™ barrier blocks moisture, cutting down on mold and improving indoor air. 
  • Stronger Structural Health: A dry crawl space means a sound foundation for your home. 
  • Energy Savings: Dry crawl spaces enhance insulation, leading to better energy efficiency and reduced bills. 
  • Pest Deterrence: A vapor barrier makes your crawl space less appealing to pests like termites. 

Our exclusive CrawlSeal™ liner is designed to be tear-resistant and antimicrobial. Along with our encapsulation process, it ensures a clean, dry, and healthy crawl space year-round. 

FSS’s Approach to Installing a Crawl Space Vapor Barrier 

Installation of a vapor barrier is central to our crawl space encapsulation process, which includes: 

Choose FSS for a thorough and lasting installation, backed by local expertise. 

Why FSS’s Crawl Space Vapor Barrier Stands Out 

Our CrawlSeal™ system excels due to: 

  • Its robust 20-mil thickness 
  • Antimicrobial features 
  • Resistance to mold, mildew, and tears 
  • Adaptability to various surfaces 
  • Reflective white finish for a brighter space 
  • Comprehensive, transferable warranty 
  • Yearly maintenance for continuous protection 

Contact Foundation Support Specialists for Crawl Space Encapsulation Now! 

Don’t let moisture and humidity compromise your crawl space. Trust FSS to bring a drier, healthier environment with our CrawlSeal™ vapor barrier. Our solutions are tailored to stop moisture at its source. 

Texans have relied on our innovative solutions for years. Allow our experienced team to assist you next! Schedule a complimentary inspection today and start fortifying your home. 


DIY installations can be hazardous, costly, and ineffective. Professional installation guarantees proper fitting and sealing of the vapor barrier, while also addressing any additional crawl space issues. Reach out to FSS for a complimentary inspection and encapsulation estimate.

Installation duration varies based on crawl space size, existing conditions, and required repairs. We prioritize quality while maintaining efficiency. Most installations are completed in a day or two. Contact FSS for a free inspection and a detailed estimate

Regular maintenance is minimal, but we offer annual service plans to ensure peak performance of the barrier. We inspect the crawl space and its current solutions, including the vapor barrier, to confirm ongoing efficacy. Contact us for more details and to schedule a free inspection.

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FSS Service area map.

Our Locations


11615 Angus Rd
Suite 104B
Austin, TX 78758


1945 W. Walnut Hill Ln.
Irving, TX  75038


6422 Lozano Dr.
Houston, TX 77041

San Antonio

18630 Goll St.
San Antonio, TX 78266