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AquaStop™ ExTremeBloc™ Crawl Space Insulation

In the battle against chilly floors, drafts, and skyrocketing energy expenses, the real culprit often lies in crawl space moisture issues. These problems not only compromise comfort but can escalate into bigger repairs if neglected. 

Crawl space insulation is pivotal for a comfortable and healthy dwelling. Neglecting this area leaves your home vulnerable to dampness, mold, and pests. FSS’s AquaStop™ ExTremeBloc™ Crawl Space Insulation is your answer to these challenges. Specializing in home health across Texas, FSS offers comprehensive crawl space encapsulation, tackling existing issues and averting future complications. 

Dive into this page to uncover how FSS’s proficiency can elevate the comfort and durability of your home. 

Understanding Crawl Space Insulation 

Crawl space insulation, a key player in home energy efficiency and indoor air purity, acts as a heat-loss barrier and resists moisture. This not only hampers mold growth but also wards off pests. 

The right insulation, like the ExTremeBloc™ foam board, is specifically crafted to combat the moisture prevalent under homes. Combining this with crawl space encapsulation — sealing the area from the earth and external air — you reap benefits like balanced humidity, lower energy costs, and enhanced air quality. 

FSS approaches crawl space repair as an integral aspect of home health, contributing to a more comfortable living space and safeguarding your home’s structural integrity. 

Indicators for Crawl Space Insulation Need 

Watch out for these tell-tale signs indicating a need for crawl space insulation: 

These signs often signal moisture issues that, if overlooked, can lead to serious damage. Don’t delay in arranging a free inspection with FSS’s crawl space professionals. 

The Necessity of Crawl Space Insulation 

Crawl space insulation is vital for your home’s protection. Ignoring insulation issues can escalate moisture and humidity, fostering mold that harms respiratory health and inviting pests through damaged insulation gaps. 

At FSS, we stress early action for preserving your home’s structure and your family’s health. We advise against DIY crawl space inspections or insulation, as these areas can be risky, and store-bought solutions often fail to tackle the core issue. Rely on FSS professionals for precise assessment, repair, and protection of your crawl space. 

Varieties of Crawl Space Insulation 

Common insulation types for crawl spaces include: 

Fiberglass Insulation 

Commonly used, fiberglass is unsuitable for crawl spaces. It easily succumbs to moisture, mold, and pests. 

Spray Foam Insulation 

Though popular, spray foam isn’t ideal for crawl spaces. Its susceptibility to mold and chemical odors, along with potential termite damage, makes it a less favorable choice. 

Foam Board Insulation 

Opt for thermal foam board insulation like ExTremeBloc™ for effective crawl space insulation. These panels, easily customized in size, are installed on interior crawl space walls. 

ExTremeBloc™ boasts heat-retention properties and impressive insulation value, despite its thinness compared to other types. 

Benefits of Crawl Space Insulation 

Proper insulation offers: 

  • Moisture Control: Prevents mold, pests, and ground moisture-related issues. 
  • Enhanced Energy Efficiency and Cost Savings: Reduces heating and cooling costs. 
  • Improved Indoor Comfort: Insulation contributes to a more comfortable home and better air quality. 

Partnering with FSS ensures the best results, with our state-of-the-art products and professional services outshining standard market offerings. 

FSS’s Crawl Space Insulation Installation Process 

Our comprehensive approach includes: 

Rely on FSS for a seamless insulation and encapsulation process. 

Why Choose FSS’s Crawl Space Insulation 

FSS’s ExTremeBloc™ stands out due to its: 

  • Lightweight and durable panels 
  • Eco-friendly makeup 
  • Class A fire rating 
  • Graphite-infused, expanded polystyrene core 
  • Radiant heat barrier coating 
  • Integrated pest deterrent 
  • High R-value for excellent thermal resistance 
  • Moisture resistance 
  • Installation with inspection-friendly gaps 

Contact FSS for Crawl Space Insulation Today! 

With FSS, expect top-notch crawl space insulation services. Our experienced team in Texas is ready to efficiently and effectively address your crawl space needs. Offering various solutions to match your budget, we back our work with a quality guarantee. Contact FSS for a complimentary inspection and estimate, and choose the best course for your home. 


Costs vary based on crawl space condition, size, and required repairs. FSS provides a detailed, obligation-free inspection and estimate, outlining costs and financing options

Insulation types typically last 15-20 years, but can deteriorate sooner in unsealed, damp crawl spaces. FSS’s ExTremeBloc™ is designed as a lasting solution. Contact us for more information and a free inspection

R-value measures thermal resistance in insulation materials. Higher R-values mean better heat retention. For details on FSS’s crawl space insulation and its R-value, 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