12 Mil SilverBack™ Crawl Space Vapor Barrier

Considered by many to be the top vapor barrier brand on the market, the SilverBack™ crawl space vapor barrier lineup is one of the very best in the industry. With over 100 different reviews that we were able to find on it while comparing other top liner reviews, the SilverBack was the most reviewed averaging 4.88 stars out of 5.

The 12 mil vapor barrier brand is found at CrawlSpaceRepair.com and other affiliate websites. For those of you that may not know Crawl Space Repair, they’re an industry leader when it comes to crawl space materials and products. The SilverBack™ is found in a 12 mil size and a 20 mil size. The details in this page is only concerning the 12 mil size.

Here at 12milcrawlspacevaporbarrier.com, we usually recommend the 12 mil crawl space vapor barrier for crawl spaces that have medium volume traffic and storage in the crawl space. Out of all the 12 mil barriers on the market, the 12 mil SilverBack™ is one of the highest rated.

This crawl space liner is made in America and again, it can be found at Crawl Space Repair and other associated websites. This 12 mil has a basic string reinforced vapor barrier that is commonly compared to the other top brands in the industry with the same pronounced thickness, 12 Mil. Actual 12 mil is equal to .012″, not 12mm.

The SilverBack™ 12 mil crawl space vapor barrier does not contain additives and is reinforced with a 1000 denier polyester cord to stablize the layers and prevent the vapor barrier from ripping.

The appearance of this crawl space liner is bright white on the face and black on the back. Although it shares the color scheme of different brands on the market it is not the same. You will not find small pin holes in the this vapor barrier like you will in other white/black combination liners.

You will find this, like all of our crawl space liners, are made in the USA. This product is available in the roll size of 13’4″ x 75′. However, prior to shipping we fold the vapor barrier in half and roll it on an 82″ core.


This 12 mil vapor barrier is used in encapsulating a crawl space. The SilverBack™ 12 mil is 13’4″ wide with a 82′ core. It equals 60 pounds of plastic per 1000ft.

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When To Use

This 12 mil crawl space vapor barrier is used for crawl space floors that have medium storage and traffic, also used to encapsulate the walls of your crawl space.

12 Mil Crawl Space Vapor Barrier Size

Since crawl space vapor barriers come in a wide range of different sizes, how often is the 12 mil size used?

12 mil vapor barriers are among the most common size used in crawl spaces across the United States.

The 12 mil crawl space vapor barrier is commonly used on the crawl space walls.

Depending on your crawl space floor, you could get by with a 10 mil size if little protection is needed or you may need a 20 mil size if the crawl space floor is bad.

None the less, homeowners need to be aware of the correct vapor barrier sizes they’ll need or contact a pro to ask for their advice.