SilverBack™ is among the highest rated and highest reviewed crawl space vapor barriers in the industry. Super strong and reinforced with a polyester cord, this crawl space liner is impossible to tear. The best option if you would like to use your crawl space for storage and not worry about wearing though the plastic. SilverBack™ 20 Mil Vapor Barrier The front of the SilverBack™ is white and the back is Silver. As always, the SilverBack™ brand of vapor barriers are true thickness, so this 20 Mil...