FAQS

What is GuardianLiner®?

GuardianLiner® is a 100% reinforced antimicrobial crawl space vapor barrier used to encapsulate crawl spaces. It is designed to protect the homes structure by preventing moisture that can lead to mildew growth and moisture damage to the foundation of the home and inside of the home.

What is the thickness of guardianliner®?

GuardianLiner® comes in both 12 and 20 Mil Cord Reinforced (SR) and 12 Mil High Strength (HS). The GuardianLiner® is significantly more durable than standard vapor barriers and is ideal for high-traffic, rocky crawl space conditions. The strength and durability of the GuardianLiner® makes it perfect if you want to be able to use your crawl space for storage.

Is GuardianLiner® waterproof?

Yes, GuardianLiner® is waterproof. It is designed to prevent moisture that comes through the dirt floors of the crawl space that can cause mold and mildew growth as well as structural damage to the home.

Crawl Space Liner
What makes GuardianLiner®? different from other crawl space vapor barriers?

Most crawl space vapor barriers have been repurposed from other industries such as oil fields and landscaping and are made from recycled materials. These barriers have inconsistent quality and lack proper reinforcements. Many of these barriers are imported from overseas. While the GuardianLiner® is American Made, designed with 100% virgin polyethylene, ensuring stronger bonding, greater tensile strength, and superior long-term performance.

Is GuardianLiner® Mold and Mildew Resistant?

Yes. The GuardianLiner® contains an added antimicrobial and anti-fungal additive that helps prevent the growth of mold, mildew, and bacteria on the surface of the crawl space vapor barrier.

Can GuardianLiner® be used for more than crawl spaces?

Yes. While the GuardianLiner® is designed for Crawl Space Encapsulation®, it is suitable for use in basements, mechanical rooms, storage areas, and anywhere a durable vapor barrier is required.

Where is GuardianLiner® Manufactured?

GuardianLiner® is manufactured in the United States of America in a facility that ensures consistent quality and product performance

Can GuardianLiner® be installed by a homeowner?

Yes, a knowledgeable homeowner can install the GuardianLiner® themselves. However, it is recommended that you use a Licensed Authorized Crawl Space Encapsulation® Dealer if you do not want to install it yourself.

Do I need special tools or accessories to install GuardianLiner®?

Basic tools like a utility knife, measuring tape, and seam tape are needed to install the GuardianLiner®. It is recommended to use the StickE™ seam tape, the double-sided Foundation Seal Tape™, Foundation Pins™, and adhesive caulk for best results.

How long is GuardianLiner® secured to the crawl space floors and foundation walls?

The crawl space vapor barrier is typically mechanically fastened to the foundation walls and secured to the floor using seam tape, creating a continuously sealed vapor barrier installation.

Does GuardianLiner® meet building code requirements?

Yes. The GuardianLiner® crawl space liner exceeds the minimum requirements for most local building codes. It is essential to leave a 3-4 inch gap between the top of the crawl space liner and the foundation for termite inspection.

vapor barrier
Crawl Space Liner
CAN I BECOME A LICENSED AUTHORIZED GUARDIANLINER® DEALER OR INSTALLER?

Yes! GuardianLiner® is currently seeking qualified dealers and installers across the United States. Visit the Dealer Opportunities page or contact us to learn more.

Are there volume discounts or wholesale pricing available?

Yes. There are volume discounts, installer pricing and wholesale pricing available to professional installers and authorized distributors only through authorized resellers.

Is training available to installers?

Yes. Installation support, technical documentation and remote guidance are offered through CrawlSpaceRepair.com® and other authorized distributors.

Does GuardianLiner® come with a warranty?

Yes, GuardianLiner® includes a 30-year product warranty. This warranty belongs to the homeowner, can be registered by the homeowner and is transferable by the installation address. So, even if the house is sold or passed along to a family member the warranty still carries over. Visit CrawlSpaceEncapsulation.com for complete warranty terms and warranty registration details.

Who do I contact if I need product support or have a technical question?

Our team is readily available and would be glad to assist you. They are highly trained and they have a vast amount of product knowledge. You can visit the Contact Us page or call us directly for assistance.

Still have questions?

We’re here to help. Whether you’re a homeowner, installer or distributor, our team can help you learn everything you need to know about GuardianLiner® and Crawl Space Encapsulation®.

Crawl Space Liner

What are signs I should be aware of to know if I need to encapsulate my crawl space?

Here are a few tale-tale signs that you may need to install a crawl space liner sooner rather than later.

Standing water in your crawl space
Insect infestation
Rust on HVAC ventilation
Mold or mildew or excess moisture on the walls and/or flooring of the main floor
Poor air quality in the home
Rusted pipes in the crawl space