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12 Mil Vapor Barrier

AUTHENTIC CRAWL SPACE ENCAPSULATION® SUPPLIES

Brands such as GuardianLiner®, SilverBack®, Moisture Medic® and InstaDry® have been trusted by professionals since 2007 to perform in the most 
demanding environments. Today you have access to these top brands directly from the Manufacturer because your home deserves the best.

All of our vapor barriers are serial numbered, tested for off-gassing and free of VOC's before they ever go into inventory to sale. 
We are the only company that is making the investment in testing so you will only have to this home improvement once.

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12 Mil Vapor Barrier

12 Mil Crawl Space Encapsulation Barrier

All of our 12 mil crawl space encapsulation barriers and liners are authentic Crawl Space Encapsulation products.

12 mil is a measure of thickness and used in the plastic vapor barrier industry. 12 mil is equal to .012 inches thick. 12 mil crawl space encapsulation barrier and liners is the most popular choice for crawl space encapsulation. Both DIY and professional installers install more 12 mil crawl space encapsulation barriers than any other thickness. The reason 12 mil is so popular is because it offers both durability at a reasonable cost and a wide selection to meet the needs of the crawl space. Oftentimes, homeowners are looking for or need extra storage and all of our 12 mil vapor barriers offer this feature.

Today, homeowners and professionals alike have many choices in both thickness and dimensions available to them in vapor barriers and liners for the crawl space space. We offer homes with narrow pier spacing all the way up to a wide open space options to limit purchasing more vapor barriers than they need.

GuardianLiner® Cord Reinforced (SR) and DiamondBack™ Cord Reinforced (SR) 12 mil crawl space encapsulation barriers are made in America and the GuardianLiner® High Strength (HS) is made in Canada. All of our vapor barriers for crawl space encapsulation are made to our high standards and tested by an independent lab before they are sold to homeowners or installers.

12 Mil Moisture Barrier & Sump Pump Bundle
Includes 2 rolls of 12 Mil DiamondBack™ (SR) 13'4" x 75' (12M-1000WB) and one InstaDry® Sump Pump Kit (15G-ISK-IDP70) with 4 rolls of StickE® Seam Tape (STK-WST). Get your crawl space clean & healthy.
$ 1,143.75 $ 999.99 999.99 USD
12 Mil Vapor Barrier | DiamondBack™ Product Bundle
The 12 Mil Vapor Barrier Product Bundle includes 2,025 sqft of vapor barrier along with the tapes and pins required for installation. Plus get a FREE t-shirt with this bundle.
$ 786.77 $ 685.12 685.12 USD
12 Mil Crawl Space Vapor Barrier | GuardianLiner® SR — CSR
12 Mil Crawl Space Vapor Barrier with advanced anti-fungal additives to keep your crawl space clean and smelling fresh.
$ 99.00 99.0 USD
12 Mil Crawl Space Liner | DiamondBack™ SR — CSR
The DiamondBack™ 12 Mil cr​awl space liner is a high performance, American-made vapor barrier designed for durability and crawl space moisture control. Constructed with bi-directional cord reinforcement, this liner offers protection against moisture intrusion into your crawl space, making it an ideal choice for your home. DiamondBack™ is a trusted brand since 2007.
$ 318.00 318.0 USD
12 Mil Vapor Barrier | GuardianLiner® HS — CSR
Highly durable liner for use in a dirt crawl space. The 12 mil vapor barrier is installed directly on top of the crawl space soil or on top of the Felt550® underlayment. Available in many roll sizes. 30 year warranty, Learn more at CrawlSpaceEncapsulation.com.
$ 86.70 86.7 USD

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