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This is a 10 mil polyethylene vapor barrier sold as a 10 ft by 100 ft roll, aimed at sealing crawl spaces against ground moisture. The dual-sided film is black on one face and white on the other; the white face reflects light to brighten the space for inspections. At 10 mil it is heavier than the common 6 mil liners, so it resists punctures and tears better during installation. It also works for encapsulation, radon mitigation, greenhouse ground cover and temporary surface protection.
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This is a 10 mil crawl space vapor barrier made to block moisture, mold and radon gas. It is made of polyethylene sheeting that resists punctures and rips, including during installation. The smooth finish makes it easy to clean.
The sheeting has two different sides. The black side blocks light, which reduces microbial growth. The white side reflects up to 90% of light, which brightens the crawl space for inspections and maintenance.
It is lightweight and fits smoothly in the space, so it can be installed by professionals or DIYers. Uses include foundation moisture protection, radon mitigation systems, space encapsulation, greenhouse and agricultural ground cover, surface protection during painting or renovations, and storage and equipment shielding.
