GuardianLiner® Family of Vapor Barriers

20 Mil GuardianLiner® for a lifetime Added antimicrobial and anti fungal to suppress mold, mildew, fungus and bacterial growth on and around the barrier Made using virgin multidirectional polyethylene film, infused with our proprietary antimicrobial and anti fungal treatment, a molten tie layer to permanently fuse the film together and a reinforcement for bilateral strength. Engineered and approved for use in the crawl space environment, GuardianLiner® has been the...

Advanced Product Technology The GuardianLiner® HS (High Strength) technology comes from 60 years of outdoor environmental strength testing and is a premium engineered vapor barrier. With 100% of the surface protected by reinforcement made from strengthened polyethylene ribbons. The puncture and tear strength greatly outmatches even others string reinforced vapor barrier product lines.  The 12 Mil measures actual 12 Mil across the surface and looks great as wall or floor liner. This...

12 Mil Crawl Space Vapor Barrier GuardianLiner® Extremely durable, high quality crawl space vapor barrier/liner. This crawl space liner has been a favorite of the professional community since its introduction. There are three major components that make this liner an excellent choice for the crawl space environment. First, the white top layer and the tan bottom layer are made from 100% virgin polyethylene resin. This is very important because these layers will last indefinitely....