Shipping Included Details

For states East of the Mississippi River- DIY orders over $200 will included shipping. UPS has added handling charges for rolls of vapor barrier due to their size and weight. There will be a $9.28 UPS handling charge for each roll of vapor barrier.

For states West of the Mississippi River, Alaska, Hawaii and Canada- DIY orders over $200 will receive a 10% discount, however you will be responsible for paying the shipping. In most cases the 10% discount will cover most of the shipping. The $9.28 UPS handling charge is included in your shipping costs.

If you are placing an order from one of these areas please call our office 864.223.7800 if you have any questions.

3 Sizes Available- All are American Made
3 Sizes Available- All are American Made

20 Mil Vapor Barrier SilverBack™ 6.75"x100'

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Price: $337.50
Premium grade 20 Mil crawl space vapor barrier. Lasts a lifetime with no fillers, pinholes or unnecessary chemical additives.
Part Number: 20MSB-100


Made in the USA-
Naturally resists Mold and Mildew
Bright white face/Silver Back
Additional discounts on a Dehumidifier if purchased with this vapor barrier
Super strong reinforcement makes tearing nearly impossible

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20 Mil SilverBack™
Reinforced Vapor Barrier for Crawl Space Encapsulation

This vapor barrier actually measures 20 mil at the plastic, not the thread.
20 Mil Vapor Barrier SilverBack™ 6.75x100'

The top of the 20 Mil SilverBack™ is a brilliant white. This clean white color helps to reflect light in the crawl space and give it a pleasant appearance. The top layer is made from 100% virgin polyethylene resin to give the absolute best performance and last a lifetime.

The Middle-
The middle of the 20 Mil SilverBack™ houses the polyester thread reinforcement. This reinforcement has one job and that is to eliminate tearing. The grade of polyester cord is the same that is used in tires to keep the rubber stable at highway speeds. The reinforcement is permanently embedded in the vapor barrier with an additional layer of molten polyethylene. This insures the 20 Mil SilverBack will never delaminate.

The Back-
The back of this product is a silver color, which is the trademark of the SilverBack™ brand. Color additives do add cost to the product, but we view this cost as necessary to help homeowners and contractors know they are buying a genuine quality product. The back layer does not have pinholes or fillers and naturally resists mold and mildew. 

20 Mil SilverBack™ is thick enough and strong enough to allow for medium to heavy storage, heavily traveled areas and to cover stone/concrete floors. We still recommend the use of the Felt550™ if the floor has objects that are sharp and can not be removed.

The actual 20 Mil thickness of the 20 Mil SilverBack™is one of its strongest features. We measure actual thickness at the plastic, not the reinforcement thread like others do. See the video below to see how it is measured and compared to the competition.

The SilverBack™ 20 Mil vapor barrier weighs 109 pounds per 1000 square feet or 109 MSF. Compare that to the competitors 20 Mil @ 74 pounds per 1000 square feet. That's 35 pounds less plastic for the same money as the SilverBack™.

Use the 20 Mil SilverBack™ on the floor and the 12 Mil SilverBack™ on the walls to keep the costs inside the budget. 

20 Mil= .020 inches
Due to the expanding and rising UPS handling and shipping fees we are forced to add $9.28 at checkout for each roll.

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